Shop now for Garmin Forerunner 255S Powder Grey | 41 mm

Garmin Forerunner 255S Powder Grey | 41 mm

Product Code: 010-02641-12

Item is no longer available.
Shop now for Garmin Forerunner 255S Powder Grey | 41 mm

Garmin Forerunner 255S Powder Grey | 41 mm

Product Code: 010-02641-12

Item is no longer available.


Garmin Forerunner 255S Light Pink
Garmin Forerunner 255S Powder Grey
Garmin Forerunner 255S Black
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Garmin Forerunner 255S White
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Garmin Forerunner 255 Tidal Blue
Garmin Forerunner 255 Slate Grey
Garmin Forerunner 255 White
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Garmin Forerunner 255 Black
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Smaller-sized GPS running watch with 30+ activity profiles and triathlon feature


  • Lightweight GPS running smartwatch with wrist-based heart rate
  • 41 mm case size, suitable for wrists with a circumference of 110-175 mm
  • Over 30+ activity profiles for indoor and outdoor sports including triathlon and open-water swimming
  • Morning report shows overview of sleep, recovery and training outlook, HRV status and weather
  • Includes Garmin Coach: adaptive training plans to help you reach your goals
  • Running dynamics (accessories required) to measure running metrics such as cadence, stride, balance and more
  • Metrics tracked: performance condition, training status based on recent exercise history, training effect and load
  • Measures V02 max to indicate performance
  • Training Status metric evaluates your exercise history and performance indicators to let you know if you are on track
  • Training Effect metric shows hou your workouts infulence the development of endurance, speed and power
  • Acute Load compares the intensity of recent workouts to optimal range to help improve your fitness
  • Body battery energy monitoring, stress, hydration and respiration tracking, advanced sleep monitoring
  • Sensors: wrist-based heart rate, altimeter, compass, accelerometer, thermometer, Pulse OX
  • Multi-band GNSS support - GPS, GLONASS and Galileo - with multi-frequency positioning
  • Contactless payments
  • Smart notifications: texts, emails, alerts and social media
  • Customisable with downloadable apps, widgets, watch faces using Connect IQ store
  • Syncs with Garmin Connect, the online community for uploading, sharing and competing
  • Safety and tracking features to let others know where you are
  • Battery life: up to 12 days in smartwatch mode, 26 hours in GPS mode

Product Screen Shots

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Package Includes

  • Forerunner 255S
  • Charging data cradle
  • Documentation

Technical Specification

Garmin Forerunner 255S Powder Grey | 41 mm Product Code: 010-02641-12


Lens materialCorning Gorilla Glass 3
Bezel materialFibre-reinforced polymer
Quick release bandsYes (18 mm, Industry standard)
Strap materialSilicone
Physical size41 x 41 x 12.4 (mm)
Fits wrists with a circumference of 110-175 mm
Colour displayyes
Display Size1.1 inch (27.5mm) Diameter
Display Resolution218 x 218 pixels
Display TypeSunlight-visible, transflective memory-in-pixel (MIP)
Weight39 g
Battery lifeSmartwatch mode: Up to 12 days
GPS-only GNSS mode: Up to 26 hours
All-Systems GNSS mode: Up to 20 hours
All-Systems GNSS mode plus Multi-Band: Up to 13 hours
Water rating5 ATM
Memory/history4 GB

Clock features

GPS time syncyes
Automatic daylight saving timeyes
Alarm clockyes
Sunrise/sunset timesyes

Health monitoring

Wrist-based heart rate (constant, every second)yes
Daily Resting Heart Rateyes
Abnormal Heart Rate AlertsYes (high and low)
Respiration rate (24x7)yes
Pulse Ox Blood Oxygen SaturationYes (spot-check, and optional all-day acclimation and in sleep)
Fitness ageyes
Body Battery Energy Monitoryes
All-day stress trackingyes
Relaxation remindersyes
Relaxation breathing timeryes
SleepYes (Advanced)
Sleep score and insightsyes
HydrationYes (in Garmin Connect and optional Connect IQ widget)
Women's HealthYes (in Garmin Connect and optional Connect IQ widget)
Health snapshotyes


Multi-frequency Positioningyes
Garmin Elevate wrist heart rate monitoryes
Barometric altimeteryes
Pulse Ox Blood Oxygen Saturation Monitoryes

Daily smart features

ConnectivityBluetooth, ANT+
Connect IQ (downloadable watch faces, data fields, widgets and apps)yes
On-device Connect IQ Storeyes
Smart Notificationsyes
Text response/reject phone call with text (Android only) yes
Realtime settings sync with Garmin Connect mobileyes
Battery Saver - customisable low power watchyes
Controls smartphone musicyes
Find my phoneyes
Find my watchyes
VIRB camera remoteyes
Smartphone compatibilityiPhone and Android
Compatible with Garmin Connect Mobileyes
Garmin Payyes

Safety and tracking features

Live Event SharingAndroid Only
Incident Detection during select activitiesyes

Activity tracking features

Step counteryes
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)yes
Auto goal (learns your activity level and assigns a daily step goal)yes
Calories burnedyes
Floors climbedyes
Distance travelledyes
Intensity minutesyes
Move IQyes
Garmin Connect Challenges appYes (optional Connect IQ app)

Fitness equipment/gym

Automatic rep countingyes
Available gym activity profilesStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
Strength workoutsyes
HIIT workoutsyes
Yoga workoutsyes
Pilates workoutsyes
On-screen workout animationsyes
On-screen workout muscle mapsyes

Training, planning and analysis features

HR zonesyes
HR alertsyes
HR caloriesyes
% HR maxyes
% HRRyes
Recovery timeyes
Auto max HRyes
Morning reportyes
Race glance/widgetyes
HRV statusyes
HR broadcast (broadcasts HR data over ANT+ to paired devices)yes
Respiration rate (during exercise)Yes (with compatible accessory)
GPS speed and distanceyes
Customisable screen(s)yes
Customisable activity profilesyes
Auto Pauseyes
Interval trainingyes
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)yes
Advanced workoutsyes
Downloadable training plansyes
Auto Lapyes
Manual lapyes
Rest timeryes
Configurable lap alertsyes
VO2 Max (Run)yes
VO2 Max (Trail Run)yes
Training status (lets you see if you're training effectively by tracking your training history and fitness level trend)Improved
Training load (your total training load for the last 7 days calculated from estimated EPOC)yes
Training load focusyes
Training effect (aerobic)yes
Training effect (anaerobic)yes
Primary benefit (Training Effect labels)yes
Improved recovery timeyes
Daily suggested workoutsYes (7 days)
Customisable alertsyes
Audio promptsyes
Finish timeyes
Virtual partneryes
Race an activityyes
Auto multisport activitiesyes
Course guidanceyes
Touch and/or button lockyes
Auto scrollyes
Activity history on watchyes
>Physio TrueUpyes

Running features

Available run profilesRunning, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running
GPS-based distance, time and paceyes
Running dynamicsYes (with compatible accessory)
Vertical oscillation and ratioYes (with compatible accessory)
Ground contact time and balanceYes (with compatible accessory)
Stride length (real time)Yes (with compatible accessory)
Cadence (provides real-time number of steps per minute)yes
Running powerYes (with compatible accessory)
Performance conditionyes
Lactate thresholdYes (with compatible accessory)
PacePro Pacing Strategiesyes
Run workoutsyes
Trail run auto climbyes
Race predictoryes
Course- and weather-specific race predictoryes
Foot pod capableyes

Outdoor recreation

Available outdoor recreation profilesHiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing
Point-to-point navigationyes
Bread crumbtrail in real timeyes
Back to startyes
UltraTrac modeyes
Up Aheadyes
Elevation profile yes
Distance to destinationyes
Barometric trend indicator with storm alertyes
Vertical speedyes
Total ascent/descentyes
Future elevation plotyes
Projected waypointyes
Sun and moon informationyes

Cycling features

Available cycling profilesBiking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)yes
Bike lap and lap maximum power (with power sensor)yes
Race an activityyes
FTP (Functional threshold power)Yes (with compatible accessory)
Compatible with Vector and Rally (power meters)yes
Power meter compatibleyes
Compatible with Varia Vision (head-mounted display)yes
Compatible with Varia radar (rear-facing radar)yes
Compatible with Varia lightsyes
Speed and cadence sensor support (w/sensor)yes

Swimming features

Available swim profilesPool swimming, open water swimming
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)yes
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)yes
Drill logging (pool swim only)yes
Basic rest timer (up from 0) (pool swim only)yes
"Repeat on" rest timer (pool swim only)yes
Auto rest (pool swim only) yes
Time and distance alertsyes
Pacing alerts (pool swim only) yes
Countdown startyes
Pool swim workoutsyes
Critical swim speedyes
Underwater wrist-based heart rateyes
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)Yes (with HRM-Swim or HRM-Pro)

Kid activity tracking features

Toe-to-Toe Challenges appYes (optional Connect IQ Toe-to-Toe Challenges app)


Smart trainer controlyes

Customer Reviews

Customer Reviews for the Garmin Forerunner 255S Powder Grey | 41 mm.