Garmin Forerunner 255S Powder Grey (010-02641-12) | New
- Forerunner 255S
- Charging/data cable
- Documentation
The Garmin Forerunner 255S Powder Grey (010-02641-12) is a small but capable GPS running smartwatch built for serious runners and multisport enthusiasts who want sophisticated training functions in a stylish, comfortable package. This intelligent running watch combines cutting-edge technology with a fashionable powder grey design, providing athletes with a full array of capabilities to help them improve their training, monitor their health, and attain peak performance. The Forerunner 255S is designed to survive intense training sessions while also offering accurate data and insights for a variety of sports and activities, all in a smaller 41mm size that is ideal for individuals with smaller wrists. The Garmin Forerunner 255S is the ideal companion for runners and multisport enthusiasts who want to take their training to the next level. Its extensive set of advanced functions, along with a long battery life and a compact design, make it an excellent choice for individuals seeking the best in performance tracking and analysis in a smaller form factor.
• Multi-Band GPS with highly accurate positioning across multiple satellite systems for precise tracking in challenging environments.
• Advanced running dynamics measures crucial metrics like cadence, stride length, ground contact time, and vertical oscillation.
• Training readiness score evaluates sleep, recovery, and training load to determine your readiness for workouts.
• Morning report provides a daily summary of sleep, recovery, and upcoming training.
• Race widget offers race prep information, performance predictions, and weather forecasts.
• Multisport functionality supports triathlon and duathlon modes with easy transition between sports.
• Garmin coach features free adaptive training plans with guidance from expert coaches.
• PacePro technology with grade-adjusted pacing guidance for running courses.
• Recovery time advisor recommends how long to rest before your next hard workout.
• Daily suggested workouts offers personalized training suggestions based on your current fitness level and training load.
• Wrist-Based heart rate continuous heart rate monitoring and alerts for abnormal readings.
• Pulse Ox sensor monitors blood oxygen saturation levels during activities and sleep.
• Body battery energy monitor tracks your body's energy levels to help you find the best times for activity and rest.
• Smart notifications that receive calls, texts, and app alerts directly on your wrist when paired with a compatible smartphone.
• Garmin Pay features contactless payments for convenience on the go.
• Battery life up to 12 days in smartwatch mode and up to 26 hours in GPS mode.
Manufacturer | Garmin |
Manufacturer Part Number | 010-02641-12 |
Product Name | Garmin Forerunner 255S Powder Grey |
Product Type | Watch |
Sleep Score and Insights | Yes |
Battery life (smartwatch mode) | Up to 12 days |
DAILY SUGGESTED WORKOUTS | Yes (7 days) |
Pulse Ox blood oxygen saturation | Yes (spot-check, and optional all-day acclimation and in sleep) |
Garmin Pay™ | Yes |
MULTI-BAND GPS | Yes |
Training status | Improved |
Watch display type | Sunlight-visible, transflective memory-in-pixel (MIP) |
Water rating | 5 ATM |
Strap material | Silicone |
Lens Material | Corning® Gorilla® Glass 3 |
Bezel Material | Fiber-reinforced polymer |
Quick Release bands | Yes (18 mm, Industry standard) |
Physical size | 41 x 41 x 12.4 (mm) |
Fits wrists with a circumference of 110-175 mm | |
Weight | 39 g |
Display Size | 1.1" (27.5mm) Diameter |
Display Resolution | 218 x 218 pixels |
Colour display | Yes |
Large font option | Yes |
Battery life | Smartwatch 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 | |
Charging method | Garmin proprietary plug charger |
Memory/History | 4 GB |
Clock Features | |
Time/date | Yes |
GPS Time Sync | Yes |
Automatic daylight saving time | Yes |
Alarm clock | Yes |
Timer | Yes |
Stopwatch | Yes |
Sunrise/sunset times | Yes |
Health & Wellness Monitoring | |
Wrist-based heart rate (constant, every second) | Yes |
Daily resting heart rate | Yes |
Abnormal heart rate alerts | Yes (high and low) |
Respiration Rate (24x7) | Yes |
FITNESS AGE | Yes |
BODY BATTERY™ ENERGY MONITOR | Yes |
All-day stress | Yes |
Relaxation reminders | Yes |
Relaxation Breathing Timer | Yes |
SLEEP | Yes (Advanced) |
Sleep coach | Yes |
Nap detection | Yes |
Hydration | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Women's Health | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Health Snapshot | Yes |
Sensors | |
GPS | Yes |
GLONASS | Yes |
Galileo | Yes |
SatIQ™ Technology | Yes |
Garmin Elevate™ wrist heart rate monitor | Yes |
Pulse Ox Blood Oxygen Saturation Monitor | Yes |
Barometric altimeter | Yes |
Compass | Yes |
Gyroscope | Yes |
Accelerometer | Yes |
Thermometer | Yes |
Daily Smart Features | |
Connectivity | Bluetooth®, ANT+® |
Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | Yes |
On-device Connect IQ™ Store | Yes |
Smart Notifications | Yes |
Text response/reject phone call with text (Android™ only) | Yes |
View images from notifications on watch (Android™ only) | Yes |
Morning report | Yes |
Calendar | Yes |
Weather forecasts | Yes |
Realtime settings sync with Garmin Connect™ mobile | Yes |
Battery saver (customizable low power watch) | Yes |
Controls smartphone music | Yes |
Find My Phone | Yes |
Find My Watch | Yes |
Find My Phone during GPS activity | Yes |
Compatible with Garmin Messenger app | Yes |
VIRB® Remote | Yes |
Smart trainer control | Yes |
Pairs with Garmin Connect™ Mobile | Yes |
Smartphone compatibility | iPhone® and Android™ |
Stocks | Yes (optional Connect IQ app) |
Garmin Share | Yes |
Activity profiles | |
Gym | Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor rowing, Jump Roping |
Multisport | Triathlon |
WELLNESS | Walking, Pilates, Yoga, Indoor Walking |
INDOOR RUNNING | Treadmill Running, Indoor Track Running |
OUTDOOR RUNNING | Running, Outdoor Track Running, Trail Running, Ultra Running |
Outdoor recreation | Hiking, Archery |
Cycling | Biking, Mountain Biking, eBiking, eMountain Biking, Indoor Biking |
Swim | Pool Swimming, Open Water Swimming |
on the water | Stand Up Paddleboarding, Rowing |
RACKET SPORTS | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
SNOW & WINTER | Skiing, Snowboarding, XC Classic Skiing |
Sport profiles | Basketball, Volleyball, Field Hockey, Ice Hockey, Soccer, Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
IN THE RING | Boxing, Mixed martial arts |
OTHER ACTIVITY PROFILES | Inline Skating |
Safety and Tracking Features | |
Incident Detection during select activities | Yes |
Incident detection alert on phone for wearables | Yes |
Assistance | Yes |
LiveTrack | Yes |
Live Event Sharing | Android™ Only |
Activity Tracking Features | |
Step counter | Yes |
Auto goal (learns your activity level and assigns a daily step goal) | Yes |
Calories Burned | Yes |
Floors climbed | Yes |
Distance traveled | Yes |
Intensity minutes | Yes |
TrueUp™ | Yes |
Move IQ™ | Yes |
Garmin Connect™ Challenges app | Yes (optional Connect IQ app) |
Gym & Fitness Equipment | |
Strength workouts | Yes |
HIIT workouts | Yes |
Yoga workouts | Yes |
Pilates workouts | Yes |
On-screen workout animations | Yes |
On-Screen Workout Muscle Map | Yes |
Automatic rep counting | Yes |
Training, Planning and Analysis Features | |
Customizable data pages | Yes |
Downloadable training plans | Yes |
Course guidance | Yes |
HR zones | Yes |
HR alerts | Yes |
HR calories | Yes |
% HR max | Yes |
% HRR | Yes |
recovery time | Yes |
Auto max HR | Yes |
Race glance/widget | Yes |
HRV Status | Yes |
HR broadcast (broadcasts HR data over ANT+™ to paired devices) | Yes |
Respiration rate (during exercise) | Yes (with compatible accessory) |
GPS speed and distance | Yes |
Customizable activity profiles | Yes |
Auto Pause® | Yes |
Interval training | Yes |
Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes |
Advanced workouts | Yes |
HRM running pace and distance | Yes |
Auto Lap® | Yes |
Manual lap | Yes |
Rest timer | Yes |
Configurable lap alerts | Yes |
VO2 Max (Run) | Yes |
VO2 Max (Trail Run) | Yes |
Load ratio | Yes |
TRAINING LOAD | Yes |
Training load focus | Yes |
training effect | Yes |
Training effect (anaerobic) | Yes |
Primary benefit (Training Effect labels) | Yes |
Custom alerts | Yes |
Audio prompts | Yes |
Multisport auto transition | Yes |
Finish time | Yes |
Virtual Partner | Yes |
Race an Activity | Yes |
Auto multisport activities | Yes |
Manual multisport activities | Yes |
Touch and/or button lock | Yes |
Auto scroll | Yes |
Activity history on watch | Yes |
Physio TrueUp | Yes |
Unified training status | Yes |
Running Features | |
GPS-based distance, time and pace | Yes |
Running dynamics | Yes |
Vertical oscillation and ratio | Yes |
Ground contact time and balance | Yes |
Stride length (real time) | Yes |
Cadence (provides real-time number of steps per minute) | Yes |
Running power | Yes |
Grade-adjusted pace | Yes |
Performance condition | Yes |
Lactate threshold | Yes (with compatible accessory) |
PacePro™ Pacing Strategies | Yes |
Run workouts | Yes |
Trail run auto climb | Yes |
Race predictor | Yes |
Course- and weather-specific race predictor | Yes |
Foot pod capable | Yes |
Run/Walk/Stand detection | Yes |
Outdoor Recreation | |
Point-to-point navigation | Yes |
Bread crumb trail in real time | Yes |
Back to start | Yes |
TracBack® | Yes |
UltraTrac mode | Yes |
Up Ahead | Yes |
Elevation profile | Yes |
Distance to destination | Yes |
Barometric trend indicator with Storm Alert | Yes |
Vertical speed | Yes |
Total ascent/descent | Yes |
AUTO REST | Yes |
Future elevation plot | Yes |
Projected waypoint | Yes |
Sun and moon information | Yes |
Cycling Features | |
Courses | Yes |
Bike lap and lap maximum power (with power sensor) | Yes |
Race an activity | Yes |
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes |
Compatible with Vector™ and Rally™ (power meters) | Yes |
Compatible with Varia Vision™ (head-mounted display) | Yes |
Compatible with Varia™ radar (rear-facing radar) | Yes |
Compatible with Varia™ lights | Yes |
Speed and cadence sensor support (w/sensor) | Yes |
Power meter compatible | Yes |
Swimming Features | |
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 alerts | Yes |
Pacing alerts (pool swim only) | Yes |
Countdown start (pool swim only) | Yes |
Pool swim workouts | Yes |
Critical swim speed | Yes |
Underwater wrist-based heart rate | Yes |
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, HRM-Pro or HRM-Pro Plus) |
Kid Activity Tracking Features | |
Toe-to-Toe™ Challenges app | Yes (optional Connect IQ Toe-to-Toe™ Challenges app) |