TRAIN BRILLIANTLY

You dont just run. Youve moved beyond that. Which is why you need Forerunner165 the purpose-built GPS running smartwatch that helps you meet your goals with personalised adaptive training plans and a bright display to light up your progress.

1.2 COLOURFUL AMOLED DISPLAY

UP TO 11 DAYS OF BATTERY LIFE IN SMARTWATCH MODE

TRAINING METRICS AND RECOVERY INSIGHTS

25 BUILT-IN GPS AND INDOOR SPORTS APPS

TOUCHSCREEN AND BUTTONS

MUSIC ON YOUR WRIST

PACE, DISTANCE, HEART RATE
This easy-to-use GPS running smartwatch provides the essential features you need to take your running to the next level including GPS, pace, distance and wrist-based heart rate1.

DAILY SUGGESTED WORKOUTS
Get workouts made for you. They adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect smartphone app calendar.

GARMIN COACH
Get free adaptive 5K, 10K and half-marathon training plans from expert coaches to help you take on a new challenge.

RACE ADAPTIVE TRAINING
Get ready for your race with training tips, personalised daily suggested workouts and completion time predictions based on race details you enter into Garmin Connect.

MORNING REPORT
Receive an overview of your sleep1 and training outlook as soon as you wake up alongside HRV status and weather. You can even customise your report to show you what you want to see.

TRAINING EFFECT
With training effect, you can see how your workouts impact your fitness and understand the primary benefit from training runs and workouts.

LONG BATTERY LIFE
With up to 11 days in smartwatch mode and up to 19 hours in GPS mode, youll get a more complete picture of your health and training.

RECOVERY TIME
Know how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.

SLEEP MONITORING AND SLEEP SCORE
Understand how your body is recovering with sleep score, get a breakdown of your sleep stages, and gain detailed insights for improved sleep quality1.

BODY BATTERY ENERGY MONITORING
Track your bodys energy levels to find the best times for activity and rest1. Even get details and insights on how sleep, naps, activities and stress impact your energy.

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

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

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

WOMENS HEALTH TRACKING
Track and log your menstrual cycle or pregnancy and get exercise and nutrition education.


Battery life (smartwatch mode)	Up to 11 days
	Yes (7 days)
	Yes (spot-check, during sleep, all day)
Garmin Pay
Music storage
Watch display type	AMOLED (optional always-on mode)
Touchscreen
	5 ATM

General
Strap material	Silicone
Lens material	Chemically strengthened glass
Bezel material	Fiber-reinforced polymer
Quick release bands	Yes (20 mm, Industry standard)
Physical size	43 x 43 x 11.6 mm Fits wrists with a circumference of 126-203 mm
Weight	39 g
Display Size	30.4 mm (1.2") diameter
Display Resolution	390x390 pixels
Colour display
Large font option
Battery life	Smartwatch mode: Up to 11 days Battery Saver Smartwatch mode: Up to 20 days GPS-Only GNSS mode: Up to 19 hours All-Systems GNSS mode: Up to 17 hours GPS-Only GNSS mode with music: Up to 7 hours All-Systems GNSS mode with music: Up to 6.5 hours
Charging method	Garmin proprietary plug charger
Memory/history	4 GB

Clock features
Time/date
GPS time sync
Automatic daylight saving time
Alarm clock
Timer
Stopwatch
Sunrise/sunset times

Health & Wellness Monitoring
(constant, every second)

	Yes (high and low)
(24x7)



Relaxation reminders

Breathwork
	Yes (Advanced)
Nap detection
	Yes (in Garmin Connectand optional Connect IQwidget)
	Yes (in Garmin Connectand optional Connect IQwidget)
Health Snapshot

Sensors
GPS
GLONASS
Galileo
Garmin Elevatewrist heart rate monitor
Pulse Ox Blood Oxygen Saturation Monitor
Barometric altimeter
Compass
Accelerometer
Thermometer
Ambient light sensor

Daily smart features
Connectivity	Bluetooth, ANT , Wi-Fi
Connect IQ(downloadable watch faces, data fields, widgets and apps)
On-device Connect IQStore
Smart Notifications
Text response/reject phone call with text (Androidonly)
View images from notifications on watch (Androidonly)
Morning report
Calendar
Weather forecasts
Realtime settings sync with Garmin Connectmobile
Battery Saver - customisable low power watch
Controls smartphone music
Plays and controls watch music
Find my phone
Find my watch
Find My Phone during GPS activity
Compatible with Garmin Messenger app
Compatible with Garmin ConnectMobile
Smartphone compatibility	iPhone, Android

Activity Profiles
Gym	Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing
WELLNESS	Walking, Pilates, Yoga, Indoor Walking
INDOOR RUNNING	Treadmill Running, Indoor Track Running, Virtual running
OUTDOOR RUNNING	Running, Outdoor Track Running, Trail Running, Ultra Running
Outdoor recreation	Hiking
Cycling	Biking, Indoor Biking
Swim	Pool Swimming, Open Water Swimming
RACKET SPORTS	Tennis, Pickleball, Padel

Safety and tracking features
Incident Detection during select activities
Incident detection alert on phone for wearables
Assistance
LiveTrack
Live Event Sharing	AndroidOnly

Activity tracking features
Step counter
Move alerts (displays on device after a period of inactivity; walk for a couple of minutes to reset it)
Auto goal (learns your activity level and assigns a daily step goal)

Floors climbed
Distance travelled

TrueUp
Move IQ
Garmin ConnectChallenges app	Yes (optional Connect IQ app)

Fitness equipment/gym
Cardio workouts
Strength workouts
HIIT workouts
Yoga workouts
Pilates workouts
Automatic rep counting

Training, planning and analysis features
Customisable screen(s)
Downloadable training plans
Course guidance







Race glance/widget

(broadcasts HR data over ANT to paired devices)
	Yoga and breathwork only
GPS speed and distance
Customisable activity profiles
Auto Pause
Interval training
Advanced workouts
HRM running pace and distance
Auto Lap
Manual lap
Rest timer
Configurable lap alerts




Primary benefit (Training Effect labels)
Audio prompts
Finish time
Touch and/or button lock
Activity history on watch

Running features
GPS-based distance, time and pace
Running dynamics

	Yes (but not balance)

(provides real-time number of steps per minute)


Run workouts

Course- and weather-specific race predictor
Foot pod capable
Run/Walk/Stand detection

Outdoor recreation
Point-to-point navigation
Bread crumbtrail in real time
Back to start
TracBack
UltraTrac mode
Elevation profile
Distance to destination
Total ascent/descent
Rest Timer (Ultra Run only)
AUTO REST
Future elevation plot
Area calculation	Yes (via Connect IQ)
FISH FORECAST	Yes (via Connect IQ)
Sun and moon information	Yes (via Connect IQ)

Cycling features
Courses
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Compatible with Variaradar (rear-facing radar)
Compatible with Varialights
Speed and cadence sensor support (w/sensor)

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
Underwater wrist-based heart rate