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CloseYou don’t just run. You’ve moved beyond that. Which is why you need Forerunner® 165 — 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.
What You'll Love |
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Sleep Score and Insights | |
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Battery life (smartwatch mode) | Up to 11 days |
Daily Suggested Workouts | Yes (7 days) |
Pulse Ox Blood Oxygen Saturation | Yes (spot-check, during sleep, all day) |
Garmin Pay™ | |
Music storage | |
Watch display type | AMOLED (optional always-on mode) |
Touchscreen | |
Water rating | 5 ATM |
General |
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Strap material | Silicone |
Lens material | Chemically strengthened glass |
Bezel material | Fibre-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 See details |
Charging method | Garmin proprietary plug charger |
Memory/history | 4 GB |
Clock features |
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Time/date | |
GPS time sync | |
Automatic daylight saving time | |
Alarm clock | |
Timer | |
Stopwatch | |
Sunrise/sunset times | |
Health & Wellness Monitoring |
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Wrist-based heart rate (constant, every second) | |
Daily Resting Heart Rate | |
Abnormal Heart Rate Alerts | Yes (high and low) |
Respiration Rate (24x7) | |
Fitness Age | |
Body Battery™ Energy Monitor | |
All-day Stress | |
Relaxation reminders | |
Relaxation Breathing Timer | |
Breathwork | |
Sleep | Yes (Advanced) |
Nap detection | |
Hydration | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Women's Health | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Health Snapshot | |
Sensors |
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GPS | |
GLONASS | |
Galileo | |
Garmin Elevate™ wrist heart rate monitor | |
Pulse Ox Blood Oxygen Saturation Monitor | |
Barometric altimeter | |
Compass | |
Accelerometer | |
Thermometer | |
Ambient light sensor | |
Daily smart features |
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Connectivity | Bluetooth®, ANT+®, Wi-Fi® |
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 | |
Calendar | |
Weather forecasts | |
Realtime settings sync with Garmin Connect™ mobile | |
Battery Saver - customisable low power watch | |
Controls smartphone music | |
Plays and controls watch music | |
Find my phone | |
Find my watch | |
Compatible with Garmin Connect™ Mobile | |
Smartphone compatibility | iPhone®, Android™ |
Activity Profiles |
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Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing |
WELLNESS | Walking, Pilates, Yoga |
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 |
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Incident Detection during select activities | |
Incident detection alert on phone for wearables | |
Assistance | |
LiveTrack | |
Live Event Sharing | Android™ Only |
Activity tracking features |
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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) | |
Calories Burned | |
Floors climbed | |
Distance travelled | |
Intensity minutes | |
TrueUp™ | |
Move IQ™ | |
Garmin Connect™ Challenges app | Yes (optional Connect IQ app) |
Fitness equipment/gym |
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Cardio workouts | |
Strength workouts | |
HIIT workouts | |
Yoga workouts | |
Pilates workouts | |
Automatic rep counting | |
Training, planning and analysis features |
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Customisable screen(s) | |
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) | 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 | |
VO2 Max (Run) | |
VO2 Max (Trail Run) | |
Training Effect | |
Training Effect (Anaerobic) | |
Primary benefit (Training Effect labels) | |
Audio prompts | |
Finish time | |
Touch and/or button lock | |
Activity history on watch | |
Physio TrueUp | |
Running features |
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GPS-based distance, time and pace | |
Running dynamics | |
Vertical oscillation and ratio | |
Ground contact time and balance | Yes (but not balance) |
Stride length (real time) | |
Cadence (provides real-time number of steps per minute) | |
Running power | |
PacePro™ Pacing Strategies | |
Run workouts | |
Race predictor | |
Course- and weather-specific race predictor | |
Foot pod capable | |
Run/Walk/Stand detection | |
Outdoor recreation |
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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 |
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Courses | |
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | |
Compatible with Varia™ radar (rear-facing radar) | |
Compatible with Varia™ lights | |
Speed and cadence sensor support (w/sensor) | |
Swimming features |
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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 | |
Kid activity tracking features |
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Toe-to-Toe™ Challenges app | Yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
Security Information |
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Security updates until at least (YYYY-MM-DD) | 2026-02-20 |