Forerunner 170

Part Number 010-03920-50

BUY NOW

Feature
Specs
In The Box
Update
Accessories
Compatible Devices

LET 'EM KNOW YOU'RE A RUNNER

Forerunner 170 is the purpose-built GPS running smartwatch with personalized beginner-friendly training plans and advanced training metrics that’ll help you reach your goals.

1.2” COLORFUL AMOLED TOUCHSCREEN DISPLAY

UP TO 10 DAYS OF BATTERY LIFE IN SMARTWATCH MODE

ADVANCED TRAINING METRICS AND RECOVERY INSIGHTS

GARMIN COACH PERSONALIZED TRAINING PLANS

80+ BUILT-IN SPORTS APPS

SMART NOTIFICATIONS¹ AND GARMIN PAY CONTACTLESS PAYMENTS²

WHAT YOU'LL LOVE

PACE, DISTANCE, HEART RATE

This easy-to-use GPS running smartwatch has the essential features you need to take your running to the next level — including GPS, pace, distance and wrist-based heart rate³.

DAILY SUGGESTED WORKOUTS

Get workouts made for you. These daily suggestions, now with run-walk workouts, adapt after every run to match your performance and recovery.

GARMIN COACH ADAPTIVE TRAINING PLANS

Train for an event, achieve a milestone, or improve your fitness with training plans that adapt daily based on your recovery and health metrics. Choose from beginner-friendly plans with run-walk workouts and less volume, or pick plans for more intense training.

HRV STATUS

Gain a deeper understanding of your overall health, training and recovery through heart rate variability³. Your watch monitors the time variations between consecutive heartbeats while you sleep.

ADVANCED TRAINING FEATURES

Training readiness helps you determine if you’re primed to run. Training status lets you know if you’re training productively, and training effect provides you with insight into the primary benefit of your workouts.

ON-THE-GO FEATURES

Pay from your wrist with Garmin Pay contactless payments², and receive smart notifications when paired with your smartphone.

EVERYTHING YOU NEED TO DIAL IN

PLAN

LONG BATTERY LIFE

With up to 10 days in smartwatch mode and up to 20 hours in GPS mode, you’ll get a more complete picture of your health and training.

MORNING REPORT

Receive an overview of your sleep, recovery, daily calendar, HRV status and more as soon as you wake up.

EVENING REPORT

Prepare for tomorrow before bed with a reminder of sleep need, tomorrow’s workout, weather and events.

RECOVERY TIME

Know how long to recover before your next high-effort workout based on your latest training.

SLEEP COACH

Get a sleep score and personalized coaching for how much sleep you need. Track sleep stages, and get insights to improve sleep quality³.

NAP DETECTION

Automatically track or log your naps to see how they benefit your body and what their ideal time and duration should be.

BODY BATTERY ENERGY MONITORING

Track your body’s energy levels throughout the day to find the best times for activity and rest³.

COURSES

Create or find existing courses in the Garmin Connect app and from third-party platforms, then sync them directly to your watch.

COURSE PLANNER

Prepare for what’s to come with course planner. This feature lets you add cut-off times, notes, rest plans, checkpoints and aid stations to keep you on track throughout the race.

RACE PREDICTOR

Get an estimate of what your pace could be for a 5K, 10K, half marathon and marathon.

BREATHING VARIATIONS

Have a better understanding of your health with insights into shifts in your breathing patterns as you sleep⁴. These shifts could be related to environment, alcohol or potential sleep disorders such as sleep apnea.

WOMEN’S HEALTH TRACKING

Track and log your menstrual cycle or pregnancy, and get exercise and nutrition education.

PREPARE

WRIST-BASED HEART RATE

The watch constantly samples your heart rate day and night and helps you gauge how hard you work during activities³.

WRIST-BASED RUNNING DYNAMICS

Improve your form with running metrics such as cadence, stride length, ground contact time and more.

VO2 MAX

See your current fitness level, and track changes over time to set goals, evaluate progress and more.

INTENSITY MINUTES

Track your moderate and vigorous activity minutes to help meet your goals.

ACUTE LOAD

Compare your recent training load to the optimal range to help improve your fitness.

PULSE OX SENSOR

Track your blood oxygen saturation while you’re awake or asleep⁴.

QUICK WORKOUT

Create running workouts directly on your watch based on desired time and intensity level.

VOICE ALERTS

Get alerts to know how you’re performing (when paired with your smartphone).

STRESS TRACKING

Find out if you’re having a calm, balanced or stressful day.

HEALTH SNAPSHOT

Log a 2-minute session to record key health stats, then generate a report to share with your health care provider.

LIFESTYLE LOGGING

Log behaviors — such as caffeine and alcohol intake — and view reports on how they impact your health in the Garmin Connect app.

HEALTH STATUS

Look for changes in your health data that could indicate added stress to your body, so you can know when you’re trending away from your usual range.

CROSS TRAINING

Browse Garmin Connect for free HIIT, strength, cardio, yoga and Pilates workouts. You can even build your own in the app and send to your watch.

ACTIVITY TRACKING

Keep tabs on your daily steps, calories burned, floors climbed and more from your wrist³.

FITNESS AGE

Estimate how fit you are compared to your actual age.

MOBILITY

Increase your flexibility and strength with free downloadable mobility workouts.

PERFORM

BUILT-IN GNSS

Our built-in GNSS supports multiple satellite systems, so you track where you run and record key stats, including distance and pace.

WRIST-BASED RUNNING POWER

See how much power you’re applying to the trail or road so you can manage effort and fine-tune training.

BUILT-IN SPORTS APPS

Tap in to 80+ built-in activities, including cycling, open-water swimming, strength training and more.

PACEPRO FEATURE

Plan race-day strategy with pace guidance for a selected course or distance.

TRACK RUNNING

Record accurate lap distances, and see your distances in meters.

CONNECT

SAFETY AND TRACKING

If your watch senses that an incident occurred, it will send a message with your live location⁵. Or if you feel unsafe, you can do it manually.

LIVETRACK LOCATION SHARING

Friends and family can follow your real-time location⁵ and view preplanned courses.

SMART NOTIFICATIONS

Receive emails, texts and alerts on your watch when paired with your iPhone or Android smartphone.

ON-WRIST TEXTING

Use the keyboard to send quick text responses on your paired watch (Android only or through the Garmin Messenger app⁶) so you can keep your phone in your pocket.

GARMIN CONNECT APP

See your health and fitness information, connect with friends and more.

CONNECT IQ STORE

Add watch faces, data fields and apps to your paired watch.

GOOGLE MAPS APP

Enter your destination in Google Maps on your Android smartphone, then follow turn-by-turn directions on your wrist.

GARMIN SHARE

Sync up with friends by sharing saved locations, courses and workouts with other nearby compatible devices.

COLOR FILTERS AND WATCH FACE CUSTOMIZATION

Get color display options — including gray scale, red/green, green/red or blue/yellow — to assist with various forms of color blindness. Choose from various watch faces with customizable data and colors.

GARMIN PAY CONTACTLESS PAYMENTS

Breeze through checkout lines or transit systems with participating providers.

¹When paired with a compatible smartphone; see Garmin.com/ble.

²View current supported country, payment network and issuing bank information.

³Activity tracking accuracy.

⁴This is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox not available in all countries.

⁵When paired with your compatible smartphone. For safety and tracking features requirements and limitations, see Garmin.com/safety.

⁶Requires both the sender and receiver of messages to have the Garmin Messenger app installed on their paired smartphones

SPOTIFY and the Spotify logo are among the registered trademarks of Spotify AB. iPhone is a trademark of Apple Inc., registered in the U.S. and other countries. Android is a trademark of Google LLC.

What You'll Love
Sleep score and insights
Battery life (smartwatch mode)	Up to 10 days
Pulse Ox blood oxygen	(spot-check, and optional all-day and in sleep)
Garmin Pay
Training readiness
Training status
Watch display type	AMOLED (optional always-on mode)
Touchscreen
Watch water rating	5 ATM
General
Strap material	Silicone
Lens Material	Chemically strengthened glass
Bezel Material	fiber-reinforced polymer
Quick Release bands	(20 mm, Industry standard)
Physical size	42.6 x 42.6x 11.9 mm Fits wrists with a circumference of 126-203 mm
Weight	41 g
Display Size	30.4 mm (1.2”) diameter
Display Resolution	390 x 390 pixels
Color display
Large font option
Battery type	Lithium ion
Battery life	Smartwatch mode: Up to 10 days (4 days display always-on) Battery Saver Smartwatch mode: Up to 19 days GPS-Only GNSS mode: Up to 20 hours All-Systems GNSS mode: Up to 14 hours
Charging method	Garmin proprietary plug charger
Memory/History	4 GB
Clock Features
Time/date
GPS Time Sync
Automatic daylight saving time
Alarm clock
Smart wake alarm
Timer
Stopwatch
Sunrise/sunset times
Health & Wellness Monitoring
Wrist-based heart rate (constant, every second)
Daily resting heart rate
Abnormal heart rate alerts	(high and low)
Respiration rate (24x7)
Fitness age
Body Battery energy monitor
All-day stress
Relaxation reminders
Relaxation breathing timer
Breathwork
Sleep	(advanced)
Sleep coach
Breathing variations
Nap detection
Hydration	(in Garmin Connect and optional Connect IQ widget)
Women's health	(in Garmin Connect and optional Connect IQ widget)
Health snapshot
Lifestyle logging
Health status
Sensors
GPS
GLONASS
Galileo
Garmin Elevate wrist heart rate monitor
Pulse Ox Blood Oxygen Saturation Monitor
Barometric altimeter
Compass
Gyroscope
Accelerometer
Thermometer
Ambient light sensor
Daily Smart Features
Connectivity	Bluetooth, ANT+
Connect IQ (downloadable watch faces, data fields, widgets and apps)
On-device Connect IQ Store
Smart Notifications
Text response/reject phone call with text (Android only)
View images from notifications on watch (Android only)
Morning report
Evening report
Calendar
Weather forecasts
Realtime settings sync with Garmin Connect mobile
Battery saver (customizable low power watch)
Controls smartphone music
Find My Phone
Find My Watch
Find My Phone during GPS activity
Compatible with Garmin Messenger app
Smart trainer control
Pairs with Garmin Connect Mobile
Smartphone compatibility	iPhone, Android
Stocks
Color shift
Red shift mode
Garmin Share
Passcode
Calculator
Color filters
Hourly alert
Workout and Training Plans
Daily Suggested Workout - Running
Garmin Running Coach
Garmin Running Coach Experts
Garmin Cycling Coach
Garmin Coach - Prebuilt Cycling Plans
Garmin Coach - Strength
Garmin Fitness Coach
Cardio workouts
Strength workouts
HIIT workouts
Yoga workouts
Pilates workouts
On-screen workout muscle maps
Activity Profiles
Gym	Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Jump Roping
Wellness	Walking, Pilates, Yoga, Indoor Walking, Mobility, Breathwork
Indoor running	Treadmill Running, Indoor Track Running, Virtual running
Outdoor running	Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing
Outdoor recreation	Hiking, Rucking, Mountaineering, Horseback Riding, Disc Golf, Archery
Cycling	Biking, Road biking, Mountain Biking, Gravel biking, Bike commuting, Bike touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross
Swim	Pool Swimming, Open Water Swimming
On the Water	Stand Up Paddleboarding, Rowing, Kayaking, Snorkeling
Motor sports	Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling
Racket sports	Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Snow & winter	Skiing, Snowboarding, XC Classic Skiing, XC Skate Skiing, Ice Skating, Snowshoeing
Team sports	Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
In the ring	Boxing, Mixed Martial Arts
Other activity profiles	Inline Skating
Safety and Tracking Features
Incident Detection during select activities
Incident detection alert on phone for wearables
Assistance
Live Event Sharing	Android Only
Activity Tracking Features
Step counter
Move alerts (displays on device after a period of inactivity)
Move Alert movement options
Auto goal (learns your activity level and assigns a daily step goal)
Calories burned
Floors climbed
Distance traveled
Intensity minutes
TrueUp
Move IQ
Garmin Connect Challenges app	(optional Connect IQ app)
Automatic rep counting
Training, Planning and Analysis Features
Customizable data pages
Downloadable training plans
Course guidance
HR zones
HR alerts
HR calories
% HR max
% HRR
Recovery time
Auto max HR
Race glance/widget
HRV status
HR broadcast (broadcasts HR data over ANT+ to paired devices)
Respiration rate (during exercise)	(with compatible accessory)
GPS speed and distance
Customizable activity profiles
Auto Pause
Interval training
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)
Advanced workouts
HRM running pace and distance
Auto Lap
Manual lap
Rest timer
Configurable lap alerts
VO2 Max (Run)
VO2 Max (Trail Run)
Load ratio
Training load
Training load focus
Training effect
Training effect (anaerobic)
Primary benefit (Training Effect labels)
Improved recovery time
Custom alerts
Voice alerts
Finish time
Race an Activity
Hot keys
Activity history on watch
Physio TrueUp
Unified training status
Running Features
GPS-based distance, time and pace
Running dynamics
Vertical oscillation and ratio
Ground contact time and balance	(GCT balance with accessory)
Stride length (real time)
Cadence (provides real-time number of steps per minute)
Running power
Grade-adjusted pace
PacePro Pacing Strategies
Run workouts
Quick workout
Race predictor
Course- and weather-specific race predictor
Foot pod capable
Run/Walk/Stand detection
Outdoor Recreation
Point-to-point navigation
Bread crumb trail in real time
Back to start
TracBack
UltraTrac mode
Up Ahead
Elevation profile
Distance to destination
Vertical speed
Total ascent/descent
Rest Timer (Ultra Run only)
Auto rest
Future elevation plot
Sun and moon information
Cycling Features
Courses
Bike lap and lap maximum power (with power sensor)
Race an activity
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Compatible with Vector and Rally (power meters)
Compatible with Varia radar (rear-facing radar)
Compatible with Varia lights
Compatible with Varia headlight camera
Speed and cadence sensor support (w/sensor)
Power meter compatible
Swimming Features
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)
Drill logging (pool swim only)
Basic rest timer (up from 0) (pool swim only)
"Repeat on" rest timer (pool swim only)
Auto rest (pool swim only)
Time and distance alerts
Countdown start (pool swim only)
Pool swim workouts
Underwater wrist-based heart rate
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)

Forerunner 170 GPS running watch
Charging cable
Documentation

Forerunner 170

Forerunner 170

LET 'EM KNOW YOU'RE A RUNNER

WHAT YOU'LL LOVE

PACE, DISTANCE, HEART RATE

DAILY SUGGESTED WORKOUTS

GARMIN COACH ADAPTIVE TRAINING PLANS

HRV STATUS

ADVANCED TRAINING FEATURES

ON-THE-GO FEATURES

EVERYTHING YOU NEED TO DIAL IN

PLAN

LONG BATTERY LIFE

MORNING REPORT

EVENING REPORT

RECOVERY TIME

SLEEP COACH

NAP DETECTION

BODY BATTERY ENERGY MONITORING

COURSES

COURSE PLANNER

RACE PREDICTOR

BREATHING VARIATIONS

WOMEN’S HEALTH TRACKING

PREPARE

WRIST-BASED HEART RATE

WRIST-BASED RUNNING DYNAMICS

VO2 MAX

INTENSITY MINUTES

ACUTE LOAD

PULSE OX SENSOR

QUICK WORKOUT

VOICE ALERTS

STRESS TRACKING

HEALTH SNAPSHOT

LIFESTYLE LOGGING

HEALTH STATUS

CROSS TRAINING

ACTIVITY TRACKING

FITNESS AGE

MOBILITY

PERFORM

BUILT-IN GNSS

WRIST-BASED RUNNING POWER

BUILT-IN SPORTS APPS

PACEPRO FEATURE

TRACK RUNNING

CONNECT

SAFETY AND TRACKING

LIVETRACK LOCATION SHARING

SMART NOTIFICATIONS

ON-WRIST TEXTING

GARMIN CONNECT APP

CONNECT IQ STORE

GOOGLE MAPS APP

GARMIN SHARE

COLOR FILTERS AND WATCH FACE CUSTOMIZATION

GARMIN PAY CONTACTLESS PAYMENTS

What You'll Love

General

Clock Features

Health & Wellness Monitoring

Sensors

Daily Smart Features

Workout and Training Plans

Activity Profiles

Safety and Tracking Features

Activity Tracking Features

Training, Planning and Analysis Features

Running Features

Outdoor Recreation

Cycling Features

Swimming Features