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products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com for current updates
and supplemental information concerning the use of this product.
Garmin®, the Garmin logo, ANT+®, Auto Lap®, Auto Pause®, BlueChart®, City Navigator®, Edge®, fēnix®, TracBack®, VIRB®, and Virtual Partner® are trademarks of Garmin Ltd. or its
subsidiaries, registered in the USA and other countries. Connect IQ™, Garmin Connect™, Garmin Express™, Garmin Move IQ™, HRM-Run™, HRM-Tri™, QuickFit™, tempe™, TruSwing™,
Varia™, Varia Vision™, and Vector™ are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express permission of Garmin.
American Heart Association® is a registered trademark of American Heart Association, Inc. Android™ is a trademark of Google Inc. Apple® and Mac® are trademarks of Apple Inc., registered in
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as any related trademarks, are the property of The Cooper Institute. Di2™ is a trademark of Shimano, Inc. Shimano® is a registered trademark of Shimano, Inc. Advanced heartbeat analytics by
Firstbeat. Training Stress Score™ (TSS), Intensity Factor™ (IF), and Normalized Power™ (NP) are trademarks of Peaksware, LLC. Wi‑Fi® is a registered mark of Wi-Fi Alliance Corporation.
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This product may contain a library (Kiss FFT) licensed by Mark Borgerding under the 3-Clause BSD License (http://opensource.org/licenses/BSD-3-Clause).
This product is ANT+® certified. Visit www.thisisant.com/directory for a list of compatible products and apps.
See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
Always consult your physician before you begin or modify any
exercise program.
Device Overview
• From any screen, hold DOWN to return to the watch face.
• If you are recording an activity, select BACK to return to the
activity data pages.
Charging the Device
WARNING
This device contains a lithium-ion battery. See the Important
Safety and Product Information guide in the product box for
product warnings and other important information.
NOTICE
To prevent corrosion, thoroughly clean and dry the contacts and
the surrounding area before charging or connecting to a
computer. Refer to the cleaning instructions in the appendix.
Plug the small end of the USB cable into the charging port on
1
your device.
À
LIGHT
Á
Â
BACK
LAP
Ã
DOWN
Ä
UP
MENU
Select to turn the backlight on and off.
Hold to view the controls menu.
Hold to turn the device on.
Select to view the activity list and start or stop an activity.
Select to choose an option in a menu.
Select to return to the previous screen.
Select to record a lap, rest, or transition during an activity.
Select to scroll through the widget loop and menus.
Hold to view the watch face from any screen.
Select to scroll through the widget loop and menus.
Hold to view the menu.
Viewing the Controls Menu
The controls menu contains shortcut menu options, such as
turning on do not disturb mode, locking the keys, and turning the
device off.
NOTE: You can add, reorder, and remove the shortcut menu
options in the controls menu (Customizing the Controls Menu,
page 24).
From any screen, hold LIGHT.
1
Plug the large end of the USB cable into a USB port on your
2
computer.
Charge the device completely.
3
Pairing Your Smartphone with Your Device
To use the connected features of the fēnix device, it must be
paired directly through the Garmin Connect™ Mobile app,
instead of from the Bluetooth® settings on your smartphone.
From the app store on your smartphone, install and open the
1
Garmin Connect Mobile app.
Bring your smartphone within 10 m (33 ft.) of your device.
2
Hold LIGHT to turn on the device.
3
The first time you turn on the device, it is in pairing mode.
TIP: You can hold LIGHT and select to manually enter
pairing mode.
Select an option to add your device to your Garmin Connect
4
account:
• If this is the first time you are pairing a device with the
Garmin Connect Mobile app, follow the on-screen
instructions.
• If you already paired another device with the Garmin
Connect Mobile app, from the settings menu, select
Garmin Devices > Add Device, and follow the on-screen
instructions.
Product Updates
On your computer, install Garmin Express™ (www.garmin.com
Select UP or DOWN to scroll through the options.
2
Viewing Widgets
Your device comes preloaded with several widgets, and more
are available when you pair your device with a smartphone.
• Select UP or DOWN.
The device scrolls through the widget loop.
• Select to view additional options and functions for a
widget.
Introduction1
/express). On your smartphone, install the Garmin Connect
Mobile app.
This provides easy access to these services for Garmin
devices:
• Software updates
• Map updates
• Data uploads to Garmin Connect
• Product registration
®
Setting Up Garmin Express
Connect the device to your computer using a USB cable.
1
Go to www.garmin.com/express.
2
Follow the on-screen instructions.
3
Activities
Your device can be used for indoor, outdoor, athletic, and fitness
activities. When you start an activity, the device displays and
records sensor data. You can save activities and share them
with the Garmin Connect community.
You can also add Connect IQ™ activity apps to your device using
your Garmin Connect account (Connect IQ Features,
page 18).
For more information about activity tracking and fitness metric
accuracy, go to garmin.com/ataccuracy.
Starting an Activity
When you start an activity, GPS turns on automatically (if
required). When you stop the activity, the device returns to
watch mode.
From the watch face, select .
1
Select an activity.
2
If necessary, follow the on-screen instructions to enter
3
additional information.
If necessary, wait while the device connects to your ANT+
4
sensors.
If the activity requires GPS, go outside, and wait while the
5
device locates satellites.
Select to start the timer.
6
NOTE: The device does not record your activity data until
you start the timer.
Tips for Recording Activities
• Charge the device before starting an activity (Charging the
Device, page 1).
• Select LAP to record laps.
• Select UP or DOWN to view additional data pages.
Stopping an Activity
Select .
1
Select an option:
2
• To resume your activity, select Resume.
• To save the activity and return to watch mode, select
Save.
• To suspend your activity and resume it at a later time,
select Resume Later.
• To mark a lap, select Lap.
• To navigate back to the starting point of your activity along
the path you traveled, select Back to Start > TracBack.
NOTE: This feature is available only for activities that use
GPS.
• To navigate back to the starting point of your activity,
select Back to Start > Route.
NOTE: This feature is available only for activities that use
GPS.
• To discard the activity and return to watch mode, select
Discard.
NOTE: After stopping the activity, the device saves it
automatically after 25 minutes.
Creating a Custom Activity
From the watch face, select > Add.
1
®
Select an option:
2
• Select Copy Activity to create your custom activity
starting from one of your saved activities.
• Select Other to create a new custom activity.
If necessary, select an activity type.
3
Select a name or enter a custom name.
4
Duplicate activity names include a number, for example:
Bike(2).
Select an option:
5
• Select an option to customize specific activity settings. For
example, you can select an accent color or customize the
data screens.
• Select Done to save and use the custom activity.
Select Yes to add the activity to your list of favorites.
6
Indoor Activities
The fēnix device can be used for training indoors, such as
running on an indoor track or using a stationary bike. GPS is
turned off for indoor activities.
When running or walking with GPS turned off, speed, distance,
and cadence are calculated using the accelerometer in the
device. The accelerometer is self-calibrating. The accuracy of
the speed, distance, and cadence data improves after a few
outdoor runs or walks using GPS.
TIP: Holding the handrails of the treadmill reduces accuracy.
You can use an optional foot pod to record pace, distance, and
cadence.
When cycling with GPS turned off, speed and distance are not
available unless you have an optional sensor that sends speed
and distance data to the device (such as a speed or cadence
sensor).
Outdoor Activities
The fēnix device comes preloaded with apps for outdoor
activities, such as running, hiking, and open water swimming.
GPS is turned on for outdoor activities. You can add apps using
default profiles, such as walking and tactical. You can also add
custom sport apps to your device (Creating a Custom Activity,
page 2).
Viewing Your Ski Runs
Your device records the details of each skiing or snowboarding
run using the auto run feature. This feature is turned on by
default for downhill skiing and snowboarding. It automatically
records new ski runs based on your movement. The timer
pauses when you stop moving downhill and when you are on a
chairlift. The timer remains paused during the chairlift ride. You
can start moving downhill to restart the timer. You can view run
details from the paused screen or while the timer is running.
Start a skiing or snowboarding activity.
1
Hold MENU.
2
Select View Runs.
3
Select UP and DOWN to view details of your last run, your
4
current run, and your total runs.
The run screens include time, distance traveled, maximum
speed, average speed, and total descent.
Using the Metronome
The metronome feature plays tones at a steady rhythm to help
you improve your performance by training at a faster, slower, or
more consistent cadence.
NOTE: This feature is not available for all activities.
Hold MENU.
1
Select Settings > Activities & Apps.
2
Select an activity.
3
2Activities
Select the activity settings.
4
Select Metronome > Status > On.
5
Select an option:
6
• Select Beats / Minute to enter a value based on the
cadence you want to maintain.
• Select Alert Frequency to customize the frequency of the
beats.
• Select Sounds to customize the metronome tone and
vibration.
If necessary, select Preview to listen to the metronome
7
feature before you run.
Hold DOWN to return to the clock.
8
Go for a run (Starting an Activity, page 2).
9
The metronome starts automatically.
During your run, select UP or DOWN to view the metronome
10
screen.
If necessary, hold MENU to change the metronome settings.
11
Jumpmaster
WARNING
The jumpmaster feature is for use by experienced skydivers
only. The jumpmaster feature should not be used as a primary
skydiving altimeter. Failure to input the appropriate jump related
information can lead to serious personal injury or death.
The jumpmaster feature follows military guidelines for
calculating the high altitude release point (HARP). The device
detects automatically when you have jumped to begin navigating
toward the desired impact point (DIP) using the barometer and
electronic compass.
Multisport
Triathletes, duathletes, and other multisport competitors can
take advantage of the multisport activities, such as Triathlon or
Swimrun. During a multisport activity, you can transition
between activities and continue to view your total time and
distance. For example, you can switch from biking to running
and view your total time and distance for biking and running
throughout the multisport activity.
You can customize a multisport activity, or you can use the
default triathlon activity set up for a standard triathlon.
Creating a Multisport Activity
From the watch face, select > Add > Multisport.
1
Select a multisport activity type, or enter a custom name.
2
Duplicate activity names include a number, for example:
Triathlon(2).
Select two or more activity profiles.
3
Select an option:
4
• Select an option to customize specific activity settings. For
example, you can select whether to include transitions.
• Select Done to save and use the multisport activity.
Select Yes to add the activity to your list of favorites.
5
Tips for Triathlon Training or Using Multisport
Activities
• Select to start your first activity.
• Select LAP to transition to the next activity.
If transitions are turned on, the transition time is recorded
separately from the activity times.
• If necessary, select LAP to start the next activity.
• Select UP or DOWN to view additional data pages.
Swimming
NOTICE
The device is intended for surface swimming. Scuba diving with
the device may damage the product and will void the warranty.
NOTE: The device cannot record heart rate data while
swimming.
Swim Terminology
Length: One trip down the pool.
Interval: One or more consecutive lengths. A new interval starts
after a rest.
Stroke: A stroke is counted every time your arm wearing the
device completes a full cycle.
Swolf: Your swolf score is the sum of the time for one pool
length and the number of strokes for that length. For
example, 30 seconds plus 15 strokes equals a swolf score of
45. For open water swimming, swolf is calculated over 25
meters. Swolf is a measurement of swimming efficiency and,
like golf, a lower score is better.
Stroke Types
Stroke type identification is available only for pool swimming.
Your stroke type is identified at the end of a length. Stroke types
appear when you are viewing interval history. You can also
select stroke type as a custom data field (Customizing the Data
Screens, page 20).
FreeFreestyle
BackBackstroke
Breast Breaststroke
FlyButterfly
Mixed More than one stroke type in an interval
DrillUsed with drill logging (Training with the Drill Log, page 3)
Tips for Swimming Activities
• Before starting a pool swimming activity, follow the on-screen
instructions to select your pool size or enter a custom size.
• Select LAP to record a rest during pool swimming.
The device automatically records swim intervals and lengths
for pool swimming.
• Select LAP to record an interval during open water
swimming.
Resting During Pool Swimming
The default rest screen displays two rest timers. It also displays
time and distance for the last completed interval.
NOTE: Swim data is not recorded during a rest.
During your swim activity, select LAP to start a rest.
1
The display reverses to white text on a black background,
and the rest screen appears.
During a rest, select UP or DOWN to view other data screens
2
(optional).
Select LAP, and continue swimming.
3
Repeat for additional rest intervals.
4
Training with the Drill Log
The drill log feature is available only for pool swimming. You can
use the drill log feature to manually record kick sets, one-arm
swimming, or any type of swimming that is not one of the four
major strokes.
During your pool swim activity, select UP or DOWN to view
1
the drill log screen.
Select LAP to start the drill timer.
2
After you complete a drill interval, select LAP.
3
The drill timer stops, but the activity timer continues to record
the entire swim session.
Activities3
Select a distance for the completed drill.
4
Distance increments are based on the pool size selected for
the activity profile.
Select an option:
5
• To start another drill interval, select LAP.
• To start a swim interval, select UP or DOWN to return to
the swim training screens.
Golfing
Playing Golf
Before you play golf, you should charge the device (Charging
the Device, page 1).
From the watch face, select > Golf.
1
Go outside, and wait while the device locates satellites.
2
Select a course from the list of available courses.
3
Select Yes to keep score.
4
Select UP or DOWN to scroll through the holes.
5
The device automatically transitions when you move to the
next hole.
After you complete your activity, select > End Round >
6
Yes.
Hole Information
Because pin locations change, the device calculates the
distance to the front, middle, and back of the green, but not the
actual pin location.
Current hole number
À
Distance to the back of the green
Á
Distance to the middle of the green
Â
Distance to the front of the green
Ã
Par for the hole
Ä
Next hole
Previous hole
Moving the Flag
You can take a closer look at the green and move the pin
location.
From the hole information screen, select > Move Flag.
1
Select UP or DOWN to move the pin position.
2
Select .
3
The distances on the hole information screen are updated to
show the new pin location. The pin location is saved for only
the current round.
Measuring a Shot
Take a shot, and watch where your ball lands.
1
Select > Measure Shot.
2
Walk or drive to your ball.
3
The distance automatically resets when you move to the next
hole.
If necessary, select Reset to reset the distance at any time.
4
Viewing Layup and Dogleg Distances
You can view a list of layup and dogleg distances for par 4 and 5
holes.
Select > Layups.
Each layup and the distance until you reach each layup
appear on the screen.
NOTE: Distances are removed from the list as you pass
them.
Keeping Score
From the hole information screen, select > Scorecard.
1
The scorecard appears when you are on the green.
Select UP or DOWN to scroll through the holes.
2
Select to select a hole.
3
Select UP or DOWN to set the score.
4
Your total score is updated.
Updating a Score
From the hole information screen, select > Scorecard.
1
Select UP or DOWN to scroll through the holes.
2
Select to select a hole.
3
Select UP or DOWN to change the score for that hole.
4
Your total score is updated.
TruSwing
The TruSwing feature allows you to view swing metrics recorded
from your TruSwing device. Go to www.garmin.com/golf to
purchase a TruSwing device.
™
Using the Golf Odometer
You can use the odometer to record the time, distance, and
steps traveled. The odometer automatically starts and stops
when you start or end a round.
Select > Odometer.
1
If necessary, select Reset to reset the odometer to zero.
2
Tracking Statistics
The Stat Tracking feature enables detailed statistics tracking
while playing golf.
From the hole information screen, hold MENU.
1
Select Options > Stat Tracking to enable tracking statistics.
2
Heart Rate Features
The fēnix 5X device has a wrist-based heart rate monitor and is
also compatible with ANT+ and Bluetooth chest heart rate
monitors (sold separately). You can view wrist-based heart rate
data on the heart rate widget. If both wrist-based heart rate and
chest heart rate data are available, your device uses the chest
heart rate data.
Wrist-based Heart Rate
Wearing the Device and Heart Rate
• Wear the fēnix 5X device above your wrist bone.
NOTE: The device should be snug but comfortable, and it
should not move while running or exercising.
4Heart Rate Features
NOTE: The heart rate sensor is located on the back of the
device.
• See Tips for Erratic Heart Rate Data, page 5 for more
information about wrist-based heart rate.
• For more information about the accuracy of wrist-based heart
rate, go to garmin.com/ataccuracy.
Tips for Erratic Heart Rate Data
If the heart rate data is erratic or does not appear, you can try
these tips.
• Clean and dry your arm before putting on the device.
• Avoid wearing sunscreen, lotion, and insect repellent under
the device.
• Avoid scratching the heart rate sensor on the back of the
device.
• Wear the device above your wrist bone. The device should
be snug but comfortable.
• Wait until the icon is solid before starting your activity.
• Warm up for 5 to 10 minutes and get a heart rate reading
before starting your activity.
NOTE: In cold environments, warm up indoors.
• Rinse the device with fresh water after each workout.
• While exercising, use a silicone band.
Viewing the Heart Rate Widget
The widget displays your current heart rate in beats per minute
(bpm), your resting heart rate for today, and a graph of your
heart rate for the last 4 hours.
From the watch face, select DOWN.
1
Select to view your average resting heart rate values for
2
the last 7 days.
Turning Off the Wrist Heart Rate Monitor
The default value for the Wrist Heart Rate setting is Auto. The
device automatically uses the wrist-based heart rate monitor
unless you pair an ANT+ heart rate monitor to the device.
From the heart rate widget, hold MENU.
1
Select Options > Status > Off.
2
Putting On the Heart Rate Monitor
You should wear the heart rate monitor directly on your skin, just
below your sternum. It should be snug enough to stay in place
during your activity.
If necessary, attach the strap extender to the heart rate
1
monitor.
Wet the electrodes À on the back of the heart rate monitor to
2
create a strong connection between your chest and the
transmitter.
Wear the heart rate monitor with the Garmin logo facing right-
3
side up.
Broadcasting Heart Rate Data to Garmin Devices
You can broadcast your heart rate data from your fēnix 5X
device and view it on paired Garmin devices. For example, you
can broadcast your heart rate data to an Edge® device while
cycling, or to a VIRB® action camera during an activity.
NOTE: Broadcasting heart rate data decreases battery life.
From the heart rate widget, hold MENU.
1
Select Options.
2
Select an option:
3
• Select Broadcast Heart Rate to start broadcasting heart
rate data now.
• Select Broadcast During Activity to broadcast heart rate
during timed activities (Starting an Activity, page 2).
The fēnix 5X device starts broadcasting your heart rate data,
and appears.
NOTE: You can view only the heart rate widget while
broadcasting heart rate data.
Pair your fēnix 5X device with your Garmin ANT+ compatible
4
device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, select any
key, and select Yes.
The loop Á and hook  connection should be on your right
side.
Wrap the heart rate monitor around your chest, and connect
4
the strap hook to the loop.
NOTE: Make sure the care tag does not fold over.
After you put on the heart rate monitor, it is active and sending
data.
Tips for Erratic Heart Rate Data
If the heart rate data is erratic or does not appear, you can try
these tips.
• Reapply water to the electrodes and contact patches (if
applicable).
• Tighten the strap on your chest.
• Warm up for 5 to 10 minutes.
• Follow the care instructions (Caring for the Heart Rate
Monitor, page 5).
• Wear a cotton shirt or thoroughly wet both sides of the strap.
Synthetic fabrics that rub or flap against the heart rate
monitor can create static electricity that interferes with heart
rate signals.
• Move away from sources that can interfere with your heart
rate monitor.
Sources of interference may include strong electromagnetic
fields, some 2.4 GHz wireless sensors, high-voltage power
lines, electric motors, ovens, microwave ovens, 2.4 GHz
cordless phones, and wireless LAN access points.
Caring for the Heart Rate Monitor
NOTICE
A buildup of sweat and salt on the strap can decrease the ability
of the heart rate monitor to report accurate data.
Heart Rate Features5
• Rinse the heart rate monitor after every use.
• Hand wash the heart rate monitor after every seven uses or
one pool swim, using a tiny amount of mild detergent, such
as dishwashing liquid.
NOTE: Using too much detergent may damage the heart rate
monitor.
• Do not put the heart rate monitor in a washing machine or
dryer.
• When drying the heart rate monitor, hang it up or lay it flat.
Running Dynamics
You can use your compatible fēnix device paired with the
HRM-Tri™ accessory or other running dynamics accessory to
provide real-time feedback about your running form. If your fēnix
device was packaged with the HRM-Tri accessory, the devices
are already paired.
The running dynamics accessory has an accelerometer that
measures torso movement in order to calculate six running
metrics.
Cadence: Cadence is the number of steps per minute. It
displays the total steps (right and left combined).
Vertical oscillation: Vertical oscillation is your bounce while
running. It displays the vertical motion of your torso,
measured in centimeters.
Ground contact time: Ground contact time is the amount of
time in each step that you spend on the ground while
running. It is measured in milliseconds.
NOTE: Ground contact time and balance are not available
while walking.
Ground contact time balance: Ground contact time balance
displays the left/right balance of your ground contact time
while running. It displays a percentage. For example, 53.2
with an arrow pointing left or right.
Stride length: Stride length is the length of your stride from one
footfall to the next. It is measured in meters.
Vertical ratio: Vertical ratio is the ratio of vertical oscillation to
stride length. It displays a percentage. A lower number
typically indicates better running form.
Training with Running Dynamics
Before you can view running dynamics, you must put on a
running dynamics accessory, such as the HRM-Tri accessory,
and pair it with your device (Pairing ANT+ Sensors, page 25).
If your fēnix 5X was packaged with the accessory, the devices
are already paired, and the fēnix 5X is set to display running
dynamics data screens.
Select an option:
1
• If your running dynamics accessory and fēnix 5X device
are already paired, skip to step 7.
• If your running dynamics accessory and fēnix 5X device
are not already paired, complete all the steps in this
procedure.
Hold MENU.
2
Select Settings > Activities & Apps.
3
Select an activity.
4
Select the activity settings.
5
Select Data Screens > Add New.
6
Select a running dynamics data screen.
7
NOTE: The running dynamics screens are not available for
all activities.
Go for a run (Starting an Activity, page 2).
8
Select UP or DOWN to open a running dynamics screen to
9
view your metrics.
Color Gauges and Running Dynamics Data
The running dynamics screens display a color gauge for the primary metric. You can display cadence, vertical oscillation, ground
contact time, ground contact time balance, or vertical ratio as the primary metric. The color gauge shows you how your running
dynamics data compare to those of other runners. The color zones are based on percentiles.
Garmin has researched many runners of all different levels. The data values in the red or orange zones are typical for less
experienced or slower runners. The data values in the green, blue, or purple zones are typical for more experienced or faster
runners. More experienced runners tend to exhibit shorter ground contact times, lower vertical oscillation, lower vertical ratio, and
higher cadence than less experienced runners. However, taller runners typically have slightly slower cadences, longer strides, and
slightly higher vertical oscillation. Vertical ratio is your vertical oscillation divided by stride length. It is not correlated with height.
NOTE: The color gauge for ground contact time balance is different (Ground Contact Time Balance Data, page 6).
Go to www.garmin.com for more information on running dynamics. For additional theories and interpretations of running dynamics
data, you can search reputable running publications and websites.
Color Zone Percentile in Zone Cadence Range Vertical Oscillation Range Vertical Ratio Ground Contact Time Range
Purple>95>183 spm<6.4 cm<6.1%<218 ms
Blue70–95174–183 spm6.4–8.1 cm6.1–7.4%218–248 ms
Green30–69164–173 spm8.2–9.7 cm7.5–8.6%249–277 ms
Orange 5–29153–163 spm9.8–11.5 cm8.7–10.1%278–308 ms
Red<5<153 spm>11.5 cm>10.1%>308 ms
Ground Contact Time Balance Data
Ground contact time balance measures your running symmetry and appears as a percentage of your total ground contact time. For
example, 51.3% with an arrow pointing left indicates the runner is spending more time on the ground when on the left foot. If your
data screen displays both numbers, for example 48–52, 48% is the left foot and 52% is the right foot.
Color Zone Red Orange Green Orange Red
SymmetryPoorFairGoodFairPoor
Percent of Other Runners5%25%40%25%5%
Ground Contact Time Balance >52.2% L 50.8–52.2% L 50.7% L–50.7% R 50.8–52.2% R >52.2% R
While developing and testing running dynamics, the Garmin team found correlations between injuries and greater imbalances with
certain runners. For many runners, ground contact time balance tends to deviate further from 50–50 when running up or down hills.
Most running coaches agree that a symmetrical running form is good. Elite runners tend to have quick and balanced strides.
6Heart Rate Features
You can watch the color gauge or data field during your run or view the summary on your Garmin Connect account after your run.
As with the other running dynamics data, ground contact time balance is a quantitative measurement to help you learn about your
running form.
Tips for Missing Running Dynamics Data
If running dynamics data does not appear, you can try these
tips.
• Make sure you have a running dynamics accessory, such as
the HRM-Tri accessory.
Accessories with running dynamics have on the front of the
module.
• Pair the running dynamics accessory with your fēnix device
again, according to the instructions.
• If the running dynamics data display shows only zeros, make
sure the accessory is worn right-side up.
NOTE: Ground contact time and balance appears only while
running. It is not calculated while walking.
Performance Measurements
These performance measurements require a few activities using
wrist-based heart rate or a compatible chest heart rate monitor.
The measurements are estimates that can help you track and
understand your training activities and race performances.
These estimates are provided and supported by Firstbeat.
Functional threshold power (FTP): The device uses your user
profile information from the initial setup to estimate your FTP.
For a more accurate rating, you can conduct a guided test.
Lactate threshold: Lactate threshold requires a chest heart rate
monitor. Lactate threshold is the point where your muscles
start to rapidly fatigue. Your device measures your lactate
threshold level using heart rate data and pace.
Turning On Performance Notifications
Performance notifications are alerts that appear upon
completion of your activity. You can turn on notifications for
performance measurements, such as your performance
condition and recovery time. Some performance notifications
appear when you achieve a new performance measurement,
such as a new VO2 max. estimate.
You can enable the device to automatically detect your
maximum heart rate, lactate threshold, and functional threshold
power (FTP) during an activity.
Hold MENU.
1
Select Settings > Physiological Metrics > Auto Detection.
2
Select an option.
3
Training Status
Training status shows you how your training affects your fitness
NOTE: The estimates may seem inaccurate at first. The device
requires you to complete a few activities to learn about your
performance.
Training status: Training status shows you how your training
affects your fitness and performance. Your training status is
based on changes to your training load and VO2 max. over
an extended time period.
VO2 max.: VO2 max. is the maximum volume of oxygen (in
milliliters) you can consume per minute per kilogram of body
weight at your maximum performance.
Recovery time: The recovery time displays how much time
remains before you are fully recovered and ready for the next
hard workout.
Training load: Training load is the sum of your excess post-
exercise oxygen consumption (EPOC) over the last 7 days.
EPOC is an estimate of how much energy it takes for your
body to recover after exercise.
Predicted race times: Your device uses the VO2 max. estimate
and published data sources to provide a target race time
based on your current state of fitness. This projection also
presumes you have completed the proper training for the
race.
HRV stress test: The HRV (heart rate variability) stress test
requires a Garmin chest heart rate monitor. The device
records your heart rate variability while standing still for 3
minutes. It provides your overall stress level. The scale is 1 to
100, and a lower score indicates a lower stress level.
Performance condition: Your performance condition is a real-
time assessment after 6 to 20 minutes of activity. It can be
added as a data field so you can view your performance
condition during the rest of your activity. It compares your
real-time condition to your average fitness level.
level and performance. Your training status is based on changes
to your training load and VO2 max. over an extended time
period. You can use you your training status to help plan future
training and continue improving your fitness level.
No status: The device needs one or two weeks of training
history, including activities with VO2 max. results from
running or cycling, to determine your training status.
Detraining: Detraining occurs when you are training much less
than usual for a week or more, and it is affecting your fitness
level. You can try increasing your training load to see
improvement.
Recovery: Your lighter training load is allowing your body to
recover, which is essential during extended periods of hard
training. You can return to a higher training load when you
feel ready.
Maintaining: Your current training load is enough to maintain
your fitness level. To see improvement, try adding more
variety to your workouts or increasing your training volume.
Productive: Your current training load is moving your fitness
level and performance in the right direction. It is important to
plan recovery periods into your training to maintain your
fitness level.
Peaking: Peaking means that you are in ideal race condition.
Your recently reduced training load is allowing your body to
recover and fully compensate for earlier training. You should
plan ahead, since this peak state can only be maintained for
a short time.
Overreaching: Your training load is very high and
counterproductive. Your body needs a rest. You should give
yourself time to recover by adding lighter training to your
schedule.
Unproductive: Your training load is at a good level, but your
fitness is decreasing. Your body may be struggling to
Heart Rate Features7
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