or 4 payments of $149.75 with Info
Run at a higher level with the Forerunner® 255 smartwatch series.
These running smartwatches help you train and recover smarter with training status, running power, multi-band GPS and daily suggested workouts that adapt to your performance and goals.
Plus, other new features — such as race widget — help you plan your race-day strategy, and morning report with HRV status reveals your overall health alongside the day ahead.
And with Garmin Pay™ contactless payments, it’s never been easier to buy that post-workout coffee — no matter how you work out — with more than 30 activity profiles, including triathlons, cycling, swimming and more.
With Forerunner 255, you can get a continuous picture of your health, from training and recovery to sleep quality and overall wellness — and with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
Key Features
Get an overview of your sleep, HRV status and daily workout with your morning report.
Charge less, train more with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
Push your limits with a built-in triathlon feature and 30+ activity profiles.
Plan your strategy with daily suggested workouts, course details and more on the race widget.
Utilise a full suite of advanced metrics and training tools to reach your goals.
Pay for your post-workout coffee with Garmin Pay™ contactless payments1. — and listen to music on the go.
Product Specifications
Physical & Performance
Display Size | 1.3" (33 mm) diameter |
Display Type | Sunlight-visible, transflective memory-in-pixel (MIP) |
Battery life | Smartwatch mode: up to 14 days GPS-Only GNSS mode: Up to 30 hours All-Systems GNSS mode with music: Up to 6.5 hours All-Systems GNSS mode: Up to 25 hours All-Systems GNSS mode plus Multi-Band: Up to 16 hours See Details |
Display Resolution | 260 x 260 pixels |
GPS | Yes |
Weight | 49 g |
Maps & Navigation
Memory/History | 4 GB |
Features
STR3AMUP! PC tool for streaming biometrics | No |
Multi-frequency Positioning | Yes |
3-axis compass with HSI (horizontal situation indicator) | No |
Touch and/or button lock | Yes |
Preloaded ski resort maps | No |
Wind speed and direction (requires connection to Garmin Golf app) | No |
Live Event Sharing | Android™ Only |
Sleep | Yes (Advanced) |
Battery saver (customizable low power watch) | Yes |
Swing Tempo | No |
Plays and controls watch music | Yes |
APNEA mode | No |
Ground contact time and balance | yes (with compatible accessory) |
Density altitude calculator | No |
Critical swim speed | Yes |
Training load focus | Yes |
Compatible with Varia Vision™ (head-mounted display) | Yes |
HR alerts | Yes |
Training Effect (anaerobic) | Yes |
Abnormal Heart Rate Alerts | yes (high and low) |
Easy break planning | No |
Vertical speed | Yes |
Lactate threshold | yes (with compatible accessory) |
Workout tutorials | No |
Number of transmitters supported | No |
MTB Grit & Flow | No |
Customizable data pages | Yes |
Configurable lap alerts | Yes |
Incident Detection during select activities | Yes |
Physio TrueUp | Yes |
Custom alerts | Yes |
NEXRAD on moving map | No |
Back to start | Yes |
Vertical oscillation and ratio | yes (with compatible accessory) |
Altimeter with adjustable baro setting | No |
Physical size | 45.6 x 45.6 x 12.9 (mm) Fits wrists with a circumference of 130-205 mm |
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) | Yes |
Music storage | up to 500 songs |
Live Delta Time | No |
Automatic altitude adjustment | No |
Bezel Material | Fiber-reinforced polymer |
Hazards and course targets | No |
Truck driver workouts | No |
TruSwing™ compatible | No |
UltraTrac mode | Yes |
VO2 Max (Trail Run) | Yes |
Up Ahead | Yes |
Preloaded race tracks | No |
Pulse Ox Blood Oxygen Saturation Monitor | Yes |
Relaxation breathing timer | Yes |
% HR max | Yes |
In Case of Emergency (I.C.E.) | No |
Gas time remaining | No |
Water rating | 5 ATM |
Subwave™ Support | No |
Audible alerts | No |
Color display | Yes |
Multiple bike profiles | No |
Rest timer | Yes |
Wrist-based Heart Rate (constant, every second) | Yes |
Find My Phone | Yes |
PrePass weigh station notifications and bypass decisions | No |
Stride length (real time) | yes (with compatible accessory) |
Bike lap and lap maximum power (with power sensor) | Yes |
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes |
Training Effect | Yes |
Spectator messaging | No |
Advanced workouts | Yes |
Trendline™ Popularity Routing | No |
Strava Live Segments | No |
Boundary enter/exit | No |
Training readiness | No |
Timer | Yes |
Courses | Yes |
Respiration rate (during exercise) | yes (with compatible accessory) |
Wirelessly receive flight plans from Garmin Pilot™ | No |
Intensity minutes | Yes |
Interval training | Yes |
MOS & Meteogram | No |
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes |
Pairs with Garmin Connect™ Mobile | Yes |
Touchscreen | No |
Virtual starting line | No |
Preloaded topographical maps | No |
Sun and moon information | Yes |
Automatically saves dive entry and exit locations | No |
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | No |
Sight 'N Go | No |
Location tracking | No |
Pulse Ox Blood Oxygen Saturation | yes (spot-check, and optional all-day acclimation and in sleep) |
Projected waypoint | Yes |
Bread crumb trail in real time | Yes |
Customizable activity profiles | Yes |
Auto start/end dive | No |
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | Yes |
Cadence (provides real-time number of steps per minute) | Yes |
Controls smartphone music | Yes |
Power meter compatible | Yes |
LED flashlight | No |
Improved recovery time | Yes |
APNEA hunt mode | No |
60-minute activity goal | No |
Manual multisport activities | Yes |
Chores | No |
Moving Map with aviation airports, navaids, roads, bodies of water and more | No |
Point-to-point navigation | Yes |
Anchor Alarm | No |
Gauge mode | No |
PacePro™ Pacing Strategies | Yes |
Course- and weather-specific race predictor | Yes |
Yardage to layups/doglegs | No |
TAF (Terminal Aerodrome Forecast) | No |
Auto Pause® | Yes |
Running dynamics | yes (with compatible accessory) |
Esports Activity | No |
Full vector map | No |
Body Battery™ Energy Monitor | Yes |
BLUETOOTH phone calling and voice assistant support | No |
Accelerometer | Yes |
Recovery time | Yes |
Custom dive data screens | No |
Drill logging (pool swim only) | Yes |
Preloaded with 42,000 courses worldwide | No |
Track timer | No |
Strap material | Silicone |
Race App | No |
Round timer/odometer | No |
Smart trainer control | Yes |
Heat and altitude acclimation | No |
Connected GPS | No |
Performance condition | Yes |
Galileo | Yes |
Distance traveled | Yes |
Manual lap | Yes |
GPS-based distance, time and pace | Yes |
Text messaging | No |
Realtime stamina | No |
Running power | yes (with compatible accessory) |
Nitrox support | No |
Assistance | Yes |
Race predictor | Yes |
Stealth Mode | No |
Pairs with Garmin Golf app | No |
Auto lap splits | No |
"Repeat on" rest timer (pool swim only) | Yes |
Pilates workouts | Yes |
GPS coordinates | No |
Lap Time Repeatability Score (LTR) | No |
Air integration | No |
Audio prompts | Yes |
Auto CourseView updates | No |
Downloadable training plans | Yes |
Measures shot distance (calculates exact yardage for shots from anywhere on course) | No |
Closed Circuit Rebreather (CCR) | No |
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™) |
Compatible with Varia™ radar (rear-facing radar) | Yes |
Task timers (2, 5, 10, 15, 20 and 30 minutes) | No |
Pool swim workouts | Yes |
Assistance Plus | No |
Multi-gas mode | No |
Race an Activity | Yes |
Kill switch | No |
Hot keys | No |
Single-gas mode | No |
Activity history on watch | Yes |
On-screen workout animations | Yes |
Auto max HR | Yes |
Daily suggested workouts | Yes (7 days) |
Foot pod capable | Yes |
Compatible with Vector™ and Rally™ (power meters) | Yes |
Phone-free text messaging | No |
Tournament legal | No |
Race an activity | Yes |
Finish time | Yes |
Elevation profile | Yes |
Automatic sync (automatically transfers data to Garmin Connect) | No |
PlaysLike distance | No |
Aviation Alerts | No |
Virtual Partner | Yes |
VO2 Max (Run) | Yes |
Relaxation reminders | Yes |
Reminder alerts | No |
Kestrel wind meter compatible | No |
Race glance/widget | Yes |
Training Load | Yes |
Chronograph | No |
Available gym activity profiles | Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga |
Ambient light sensor | No |
Touch-targeting (touch target on display to see the distance to any point) | No |
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes |
In-flight Pulse Ox | No |
Yardage to F/M/B (distance to front, middle and back of green) | No |
Calendar | Yes |
Barometric altimeter | Yes |
Unlock new step icons | No |
On-device Connect IQ™ Store | Yes |
Weather | Yes |
Auto Lap® | Yes |
Sunrise/sunset times | Yes |
Pacing alerts (pool swim only) | Yes |
Floors climbed | Yes |
Respiration rate (24x7) | Yes |
Gas consumption rate | No |
% HRR | Yes |
Ballistics calculator | No |
On-screen workout muscle maps | Yes |
Basic rest timer (up from 0) (pool swim only) | Yes |
Available outdoor recreation profiles | Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing |
TracBack® | Yes |
Advanced cycling dynamics | No |
Handicap scoring | No |
Primary benefit (Training Effect labels) | Yes |
HR zones | Yes |
Auto rest (pool swim only) | Yes |
Stat tracking (strokes, putts per round, greens and fairways hit) | No |
Connectivity | Bluetooth®, ANT+®, Wi-Fi® |
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes |
Sleep score and insights | Yes |
Custom targets | No |
Downloadable cartography support | No |
Available run profiles | Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running |
Run workouts | Yes |
Stopwatch | Yes |
Worldwide airport database(s) | No |
Waypoint information page | No |
GPS speed and distance | Yes |
Round-trip course creator (running/cycling) | No |
Area calculation | No |
Find My Watch | Yes |
Automatic club tracking compatible (requires accessory) | No |
Connext avionics connectivity | No |
Preloaded road and trail maps | No |
VIRB® Remote | Yes |
Smartphone compatibility | iPhone® and Android™ |
Dual grid coordinates | No |
Expedition GPS Activity | No |
TrueUp™ | Yes |
Morning report | Yes |
Multiple time zones with Zulu/UTC | No |
Trimix support | No |
Compatible with Varia™ lights | Yes |
Two-way voice calls | No |
Thermometer | Yes |
Hydration | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Alarm clock | Yes |
Group LiveTrack | No |
Gyroscope | Yes |
Underwater wrist-based heart rate | Yes |
Countdown start (pool swim only) | Yes |
Health snapshot | Yes |
ClimbPro™ Ascent Planner | No |
Truck plaza loyalty programs | No |
Night vision mode | No |
Available swim profiles | Pool swimming, open water swimming |
Tempo Training | No |
Move IQ™ | Yes |
Speed and cadence sensor support (w/sensor) | Yes |
Do not disturb/School mode | No |
Garmin Elevate™ wrist heart rate monitor | Yes |
Tides | No |
GLONASS | Yes |
Smart Notifications | Yes |
Garmin Pay™ | Yes |
HRV status | Yes |
Automatic daylight saving time | Yes |
Yoga workouts | Yes |
Depth sensor | No |
Time/date | yes |
Sync dive log to Garmin Dive™ Mobile app | No |
Rewards (coins) | No |
Virtual caddie | No |
Calories burned | Yes |
Toe-to-Toe™ Challenges app | yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
Garmin Live Segments | No |
HR Broadcast (broadcasts HR data over ANT+™ to paired devices) | Yes |
Fly activity emergency mode | No |
Total ascent/descent | Yes |
Auto multisport activities | Yes |
Last race summary | No |
Cycle Map (routable cycling-specific street map) | No |
PinPointer | No |
Step counter | Yes |
METAR (Meteorological Aerodrome Report) | No |
Quick Release bands | yes (22 mm, Industry standard) |
Trail run auto climb | Yes |
Barometric trend indicator with Storm Alert | Yes |
Automatic rep counting | Yes |
LiveTrack | Yes |
HR calories | Yes |
Tides | No |
Time and distance alerts | Yes |
Garmin Connect™ Challenges app | Yes (optional Connect IQ app) |
XERO™ Locations | No |
All-day Stress | Yes |
Tack assist mode | No |
Compatible with dēzl™ OTR truck navigators | No |
Worldwide NAVAID and Intersection database(s) | No |
Available cycling profiles | Biking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking |
HIIT workouts | Yes |
Future elevation plot | Yes |
Games | No |
Orienteering | No |
Text response/reject phone call with text (Android™ only) | Yes |
Around Me mode | No |
Realtime settings sync with Garmin Connect™ mobile | Yes |
Hunt/fish calendar | No |
Course guidance | Yes |
GPS Time Sync | Yes |
Countdown timer | No |
Auto scroll | Yes |
Analog hands | No |
Compass | Yes |
Lens Material | Corning® Gorilla® Glass 3 |
Green View with manual pin position | No |
Strength workouts | Yes |
Distance to destination | Yes |
Recorded voice messaging | No |
Women's Health | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Training Status | Improved |
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes |
Daily Resting Heart Rate | Yes |
Auto goal (learns your activity level and assigns a daily step goal) | Yes |
Garmin AutoShot™ | No |
Fitness Age | Yes |
FTP (Functional Threshold Power) | yes (with compatible accessory) |
Dive ascent/descent rate indicator | No |
Built-in barometer and tide tables | No |
SKU | 010-02641 |
Brand | Garmin |
Shipping Weight | 0.3000kg |
Shipping Width | 0.130m |
Shipping Height | 0.060m |
Shipping Length | 0.060m |
Shipping Cubic | 0.000468000m3 |
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