You 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 personalized adaptive training plans and a bright display to light up your progress.
What You’ll LoveSleep score and insightsBattery life (smartwatch mode)Up to 11 daysDaily suggested workoutsyes (7 days)Pulse Ox blood oxygenyes (spot-check, during sleep, all day)Garmin Pay™Display typeAMOLED (optional always-on mode)TouchscreenWater rating5 ATMGeneralStrap material
silicone
Lens Material
chemically strengthened glass
Bezel Material
fiber-reinforced polymer
Quick Release bandsyes (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 Size1.2″ (30.4 mm) diameterDisplay resolution390 x 390 pixelsColor displayLarge font optionBattery 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 hoursSee Details
Charging methodGarmin proprietary plug chargerMemory/History4 GBClock FeaturesTime/dateGPS Time SyncAutomatic daylight saving timeAlarm clockTimerStopwatchSunrise/sunset timesHealth & Wellness MonitoringWrist-based heart rate (constant, every second)Daily resting heart rateAbnormal heart rate alertsyes (high and low)Respiration rate (24×7)Fitness ageBody Battery™ energy monitorAll-day stressRelaxation remindersRelaxation breathing timerBreathworkSleepyes (advanced)Nap detection Hydrationyes (in Garmin Connect™ and optional Connect IQ™ widget)Women’s healthyes (in Garmin Connect™ and optional Connect IQ™ widget)Health snapshotSensorsGPSGLONASSGalileoGarmin Elevate™ wrist heart rate monitorPulse Ox Blood Oxygen Saturation MonitorBarometric altimeterCompassAccelerometerThermometerAmbient light sensorDaily Smart FeaturesConnectivityBluetooth®, ANT+®Connect IQ™ (downloadable watch faces, data fields, widgets and apps)On-device Connect IQ™ StoreSmart NotificationsText response/reject phone call with text (Android™ only) View images from notifications on watch (Android™ only)Morning reportCalendarWeather forecastsRealtime settings sync with Garmin Connect™ mobileBattery saver (customizable low power watch)Controls smartphone musicFind My PhoneFind My WatchFind My Phone during GPS activityCompatible with Garmin Messenger appPairs with Garmin Connect™ MobileSmartphone compatibilityiPhone®, Android™Activity ProfilesGymStrength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor ClimbingWellness
Walking, Pilates, Yoga, Indoor Walking
Indoor runningTreadmill Running, Indoor Track Running, Virtual RunningOutdoor runningRunning, Outdoor Track Running, Trail Running, Ultra Running Outdoor recreationHikingCyclingBiking, Indoor BikingSwim
Pool Swimming, Open Water Swimming
Racket sportsTennis, Pickleball, PadelSafety and Tracking FeaturesIncident Detection during select activitiesIncident detection alert on phone for wearablesAssistanceLiveTrackLive Event SharingAndroid™ OnlyActivity Tracking FeaturesStep counterMove alerts (displays on device after a period of inactivity)Auto goal (learns your activity level and assigns a daily step goal)Calories burnedFloors climbedDistance traveledIntensity minutesTrueUp™Move IQ™Garmin Connect™ Challenges appyes (optional Connect IQ app)Gym & Fitness EquipmentCardio workoutsStrength workoutsHIIT workoutsYoga workoutsPilates workoutsAutomatic rep countingTraining, Planning and Analysis FeaturesCustomizable data pagesDownloadable training plansCourse guidanceHR zonesHR alertsHR calories% HR max% HRRRecovery timeAuto max HRRace glance/widgetHRV statusHR broadcast (broadcasts HR data over ANT+® to paired devices)Respiration rate (during exercise)Yoga and Breathwork onlyGPS speed and distanceCustomizable activity profilesAuto Pause®Interval trainingAdvanced workoutsHRM running pace and distanceAuto Lap®Manual lapRest timerConfigurable lap alertsVO2 Max (Run)VO2 Max (Trail Run)Training effectTraining effect (anaerobic)Primary benefit (Training Effect labels)Audio promptsFinish timeTouch and/or button lockActivity history on watchPhysio TrueUpRunning FeaturesGPS-based distance, time and paceRunning dynamicsVertical oscillation and ratioGround contact time and balanceyes (but not balance)Stride length (real time)Cadence (provides real-time number of steps per minute)Running powerPacePro™ Pacing StrategiesRun workoutsRace predictorCourse- and weather-specific race predictorFoot pod capableRun/Walk/Stand detectionOutdoor RecreationPoint-to-point navigationBread crumb trail in real timeBack to startTracBack®UltraTrac modeElevation profile Distance to destinationTotal ascent/descentRest Timer (Ultra Run only)Auto restFuture elevation plotArea calculationyes (via Connect IQ™)Fish forecastyes (via Connect IQ™)Sun and moon informationyes (via Connect IQ™)Cycling FeaturesCoursesAlerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Compatible with Varia™ radar (rear-facing radar)Compatible with Varia™ lightsSpeed and cadence sensor support (w/sensor)Swimming FeaturesOpen-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 alertsCountdown start (pool swim only)Underwater wrist-based heart rateKid Activity Tracking FeaturesToe-to-Toe™ Challenges appyes (optional Connect IQ Toe-to-Toe™ Challenges app)