Forerunner 255 Sports Watch Music - Whitestone
This product is archived (discontinued) and is shown for information only.
4.8
861 reviews
GPS Eesti on Google
RUN AT A HIGHER LEVEL
You’re making progress. Now take the next step. Get training and recovery guidance to help you achieve your best time.
Get an overview of your sleep, HRV status and daily workouts with the morning report.
With battery life of up to 14 days in smartwatch mode and up to 30 hours in GPS mode, you spend less time charging and more time training.
Challenge yourself with a built-in triathlon feature and 30+ activity profiles.
Plan your strategy in the race widget with daily suggested workouts, course details and much more.
Use advanced metrics and training tools to reach your goals.
| READY FOR THE LONG RUN | LIGHT AS A (NEARLY) FEATHER | SWEAT-RESISTANT MATERIALS |
| With battery life of up to 14 days in smartwatch mode and up to 30 hours in GPS mode, you get an uninterrupted picture of your daily health and overnight sleep. | With its sleek design and weight of just 49 g, you’ll barely notice you’re wearing the Forerunner® 255 — even while you sleep. | With easy-to-use buttons and a silicone band, this watch is ready to wear right away, and Corning® Gorilla® Glass 3 makes it durable too. |
Light on the wrist. Not lacking in features.
 |  |  |
| MORNING REPORT | HRV STATUS | BUILT-IN SPORTS APPS |
| When you wake up, get an overview of your sleep, recovery and training plans, plus your HRV status and weather forecast. You can personalise the information shown to suit your preferences. | Get better insight into your overall health, recovery and training performance with heart rate variability measured during sleep, using technology developed by our Firstbeat Analytics™ team. | Use 30+ built-in sports profiles, including triathlon and open-water swimming profiles — new features in the Forerunner 255 series. Switch sports with the press of a button during races and brick workouts. |
 |  |  |
| RACE WIDGET | DAILY SUGGESTED WORKOUTS | GARMIN COACH |
| Get ready for your next race with training guidance, daily suggested workouts and finish time predictions based on course details, weather forecast and performance. | See daily suggested workouts for the whole week, which adapt after every run to fit your performance and recovery, plus upcoming races from your Garmin Connect™ smartphone app calendar. | Free adaptive training plans Training plans including 5K, 10K and half marathon programmes, with guidance from experts that adapts to your goals. |
 |  |  |
| RUNNING POWER APP | RECOVERY TIME | PACEPRO™ FEATURE |
| When you use a Running Dynamics Pod or HRM-Pro™ chest strap, you can see measurements right on your wrist and how much power you use while running, and conserve your energy accordingly. | Know how long you need to recover before your next hard workout, based on your last workout and your overall stress, sleep and daily activity outside of training. | This feature’s GPS-based pace guidance for a selected course or distance helps you plan your race-day strategy. |
 |  |  |
| TRAINING STATUS | ACUTE LOAD | TRAINING EFFECT |
| The new HRV status indicator gives you an overview of your training history, performance and overall effort, and lets you know whether you are training productively or overreaching. | See your training history, compare your recent training intensity with the optimal range and improve your fitness. | Use aerobic and anaerobic training effect to track how your workouts affect your endurance, speed and power. TRAINING EFFECT. |
 |  |  |
| PERFORMANCE CONDITION | RUNNING DYNAMICS | COURSES |
| While you run, the device analyses your pace and heart rate variability and compares it with your current performance level in real time. | When you use a Running Dynamics Pod or HRM-Pro chest strap, the Forerunner 255 watch measures key running data and metrics such as cadence, stride length, ground contact time and balance — all compared with others in the Garmin Connect app. | Create or find courses in the Garmin Connect app and never run out of routes. You can also plan them on other platforms such as Strava and Komoot and sync them to your Forerunner device automatically. |
 |  | |
| VISUAL RACE PREDICTOR | CROSS-TRAINING | |
| Get an estimate of your 5K, 10K or marathon pace based on your running history and overall fitness level. Plus, see data on how your training affects you over time. | Mix up your training with different types of exercise. The watch comes preloaded with free HIIT, strength, cardio, yoga and Pilates workouts, and you can download even more from the Garmin Connect app. |
Wellness indicators.
 |  |  |
| WRIST-BASED HEART RATE | BODY BATTERY™ ENERGY MONITORING | SLEEP SCORE AND ADVANCED SLEEP MONITORING |
| The watch continuously monitors your heart rate2 with our latest heart rate sensor and alerts you if your heart rate is too high or too low while at rest. It also helps measure workout intensity, even while swimming. | Monitor your body’s energy levels to find the best times for activity and rest2. | Get a sleep score and insights on how to improve your performance. Also track sleep stages along with heart rate, stress level, Pulse Ox3 and respiration. |
 |  |  |
| PULSE OX SENSOR | MENSTRUAL CYCLE TRACKING | INTENSITY MINUTES |
| This wrist-based Pulse Ox sensor3 measures your blood oxygen saturation for better sleep monitoring and altitude acclimation. | Track your menstrual cycle or pregnancy in the Garmin Connect app. Log symptoms, see training and nutrition information and more. With the women’s health tracking app, you can view and log data directly on your watch. | Our intensity minutes feature tells you when during the day you earned them and with which activity. |
 |  | |
| STRESS TRACKING | HEALTH SNAPSHOT™ FEATURE | |
| Find out whether your day is calm, balanced or stressful. Relax reminders suggest short breathing exercises to relieve tension. | Log a two-minute session to record key data, including heart rate2, heart rate variability, Pulse Ox3, respiration and stress level. Then create a report of this data and share it using the Garmin Connect app on your compatible smartphone. |
Stay connected for good.
 |  |  |
| MULTI-BAND GNSS SUPPORT | GARMIN PAY CONTACTLESS PAYMENTS | SMART NOTIFICATIONS |
| Access multiple global satellite navigation systems and multiple frequencies to improve accuracy in areas where GNSS signals are reflected, weak or fail to reach your device, giving you more accurate running speed data even in challenging conditions. | Breeze through the checkout queue with the Garmin Pay contactless payment solution, which works1 with select providers. | Pair the watch with a compatible smartphone and see your emails, messages and notifications from your compatible Apple® or Android™ smartphone. You can also reply to text messages if you have an Android phone. |
 |  |  |
| SAFETY AND TRACKING FEATURES | LIVETRACK FEATURE | GARMIN CONNECT APP |
| If you feel unsafe or your watch detects an incident, assistance and incident detection4 send your location to your emergency contacts. Incident detection is enabled by default only for select activity profiles. | Use LiveTrack so friends and family can see your real-time location4 and even view your pre-planned course. Rest easy knowing your loved ones know where you are running. | View your health and fitness data, connect and compete with friends, join challenges, earn badges and much more — all with a free, subscription-free app. |
 | ||
| CONNECT IQ™ STORE | ||
| Download different watch faces, add data fields and get apps and widgets from the Connect IQ Store app downloaded to your compatible smartphone. |
1 See supported countries, payment networks and banks.
2 Activity tracking accuracy.
3 This is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition; see Garmin.com/ataccuracy. Pulse Ox is not available in all countries.
4 When paired with a compatible smartphone. See Garmin.com/safety for safety and tracking feature requirements and limitations..
Apple® is a trademark of Apple Inc., registered in the U.S. and other countries. Android is a trademark of Google LLC.
General | |
| LENS MATERIAL | Corning® Gorilla® Glass 3 |
|---|---|
| BEZEL MATERIAL | Fibre-reinforced polymer |
| QUICK RELEASE BANDS | Yes (22 mm, industry standard) |
| STRAP MATERIAL | Silicone |
| PHYSICAL DIMENSIONS | 45.6 x 45.6 x 12.9 (mm) Fits wrists with 130–205 mm circumference |
| COLOUR DISPLAY |  |
| DISPLAY SIZE | 1.3" (33 mm) diameter |
| DISPLAY RESOLUTION | 260 x 260 pixels |
| DISPLAY TYPE | Sunlight-visible, transflective memory-in-pixel (MIP) |
| WEIGHT | 49 g |
| BATTERY LIFE | Smartwatch mode: up to 14 days GPS-only GNSS mode: up to 30 hours All-systems GNSS mode: up to 25 hours All-systems GNSS mode plus multi-band: up to 16 hours |
| WATER RATING | 5 ATM |
| MEMORY/HISTORY | Bluetooth®, ANT+® |
Clock features | |
| TIME/DATE | |
|---|---|
| GPS TIME SYNC | |
| AUTOMATIC DAYLIGHT SAVING TIME | |
| ALARM CLOCK | |
| TIMER | |
| STOPWATCH | |
| SUNRISE/SUNSET TIMES | |
Health monitoring | |
| WRIST HEART RATE (CONSTANT, EVERY SECOND) | |
|---|---|
| DAILY RESTING HEART RATE | |
| ABNORMAL HEART RATE ALERTS | Yes (high and low) |
| RESPIRATION RATE (24X7) | |
| PULSE OX BLOOD OXYGEN SATURATION MONITORING | Yes (spot check and optional all-day acclimation and during sleep) |
| FITNESS AGE | |
| BODY BATTERY™ ENERGY MONITOR | |
| ALL-DAY STRESS TRACKING | |
| RELAXATION BREATHING TIMER | |
| SLEEP MONITORING | Yes (advanced) |
| SLEEP MONITORING (SLEEP SCORE AND INSIGHTS) | |
| HYDRATION | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| WOMEN'S HEALTH TRACKING | Yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| HEALTH SNAPSHOT | |
Sensors | |
| GPS | |
|---|---|
| GLONASS | |
| GALILEO | |
| MULTI-BAND FREQUENCY SUPPORT | |
| GARMIN ELEVATE™ WRIST HEART RATE MONITOR | |
| BAROMETRIC ALTIMETER | |
| COMPASS | |
| GYROSCOPE | |
| ACCELEROMETER | |
| THERMOMETER | |
| PULSE OX BLOOD OXYGEN SATURATION MONITOR | |
Daily smart features | |
| CONNECTIVITY | Bluetooth®, ANT+® |
|---|---|
| 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) | |
| CALENDAR | |
| WEATHER | |
| REAL-TIME SETTINGS SYNC WITH GARMIN CONNECT™ MOBILE APP | |
| POWER SAVE MODE – CUSTOMISABLE LOW-POWER WATCH | |
| CONTROLS SMARTPHONE MUSIC | |
| FIND MY PHONE | |
| FIND MY WATCH | |
| VIRB® CAMERA REMOTE | |
| SMARTPHONE COMPATIBILITY | iPhone® and Android™ |
| COMPATIBLE WITH GARMIN CONNECT™ MOBILE APP | |
| GARMIN PAY™ | |
Safety and tracking features | |
| LIVETRACK | |
|---|---|
| LIVE EVENT SHARING | Android™ only |
| INCIDENT DETECTION DURING SELECT ACTIVITIES | |
| ASSISTANCE | |
Activity tracking features | |
| STEP COUNTER | |
|---|---|
| MOVE BAR (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) |
Gym and fitness equipment | |
| AVAILABLE GYM ACTIVITY PROFILES | Strength, HIIT, cardio and elliptical training, stair stepper, floor climbing, indoor rowing, Pilates, yoga |
|---|---|
| CARDIO WORKOUTS | |
| STRENGTH WORKOUTS | |
| HIIT WORKOUTS | |
| YOGA WORKOUTS | |
| PILATES WORKOUTS | |
| ON-SCREEN WORKOUT ANIMATIONS | |
| ON-SCREEN WORKOUT MUSCLE MAPS | |
| AUTOMATIC REP COUNTING | |
Training, planning and analysis features | |
| HEART RATE ZONES | |
|---|---|
| HEART RATE ALERTS | |
| HEART RATE-BASED CALORIES BURNED | |
| % MAX HEART RATE | |
| % HRR | |
| RECOVERY TIME | |
| AUTO MAX HEART RATE | |
| MORNING REPORT | |
| RACE PREVIEW/WIDGET | |
| HRV STATUS | |
| HEART RATE BROADCAST (BROADCASTS HEART RATE DATA OVER ANT+™ TO PAIRED DEVICES) | |
| RESPIRATION RATE (DURING EXERCISE) | Yes (with compatible accessory) |
| GPS SPEED AND DISTANCE | |
| CUSTOMISABLE SCREEN(S) | |
| CUSTOMISABLE ACTIVITY PROFILES | |
| AUTO PAUSE® | |
| INTERVAL TRAINING | |
| ADVANCED INTERVAL (INCLUDING OPEN REPEATS, INTERVAL DATA PAGE, REST SCREEN AND AUTO DETECTION) | |
| ADVANCED WORKOUTS | |
| DOWNLOADABLE TRAINING PLANS | |
| AUTO LAP® | |
| MANUAL LAP | |
| REST TIMERS | |
| CONFIGURABLE LAP ALERTS | |
| VO2 MAX | |
| VO2 MAX (TRAIL RUNNING) | |
| TRAINING STATUS | advanced |
| TRAINING LOAD | |
| TRAINING LOAD FOCUS | |
| TRAINING EFFECT (AEROBIC) | |
| TRAINING EFFECT (ANAEROBIC) | |
| PRIMARY BENEFIT (TRAINING EFFECT LABEL) | |
| ENHANCED RECOVERY TIME | |
| DAILY SUGGESTED WORKOUTS | Yes (7 days) |
| CUSTOMISABLE ALERTS | |
| AUDIO PROMPTS | |
| FINISH TIME | |
| VIRTUAL PARTNER | |
| RACE AN ACTIVITY | |
| AUTO MULTISPORT ACTIVITIES | |
| MULTISPORT | |
| COURSE GUIDANCE | |
| TOUCH AND/OR BUTTON LOCK | |
| AUTO SCROLL | |
| ACTIVITY HISTORY ON WATCH | |
| PHYSIO TRUEUP | |
Running features | |
| AVAILABLE RUNNING PROFILES | Running, outdoor track running, treadmill running, indoor and outdoor running, virtual running, ultra run |
|---|---|
| GPS-BASED DISTANCE, TIME AND PACE | |
| RUNNING DYNAMICS | Yes (with compatible accessory) |
| VERTICAL OSCILLATION AND VERTICAL RATIO | Yes (with compatible accessory) |
| GROUND CONTACT TIME AND BALANCE | Yes (with compatible accessory) |
| STRIDE LENGTH (REAL TIME) | Yes (with compatible accessory) |
| CADENCE (SHOWS NUMBER OF STEPS PER MINUTE IN REAL TIME) | |
| RUNNING POWER | Yes (with compatible accessory) |
| PERFORMANCE CONDITION | |
| LACTATE THRESHOLD | Yes (with compatible accessory) |
| PACEPRO™ PACING STRATEGIES | |
| RUNNING WORKOUTS | |
| RACE PREDICTOR | |
| COURSE- AND WEATHER-BASED RACE PREDICTOR | |
| FOOT POD CAPABLE | |
Outdoor recreation features | |
| AVAILABLE OUTDOOR RECREATION PROFILES | Hiking, skiing, snowboarding, classic cross-country skiing, stand up paddleboarding, rowing |
|---|---|
| POINT-TO-POINT NAVIGATION | |
| BREADCRUMB TRAIL IN REAL TIME | |
| BACK TO START | |
| TRACBACK® | |
| ULTRATRAC MODE | |
| UP AHEAD | |
| ELEVATION PROFILE | |
| DISTANCE TO DESTINATION | |
| BAROMETRIC TREND INDICATOR WITH STORM ALERT | |
| AUTOMATIC CLIMB DETECTION FOR TRAIL RUNNING | |
| VERTICAL SPEED | |
| TOTAL ASCENT/DESCENT | |
| UPCOMING ELEVATION POINT | |
| PROJECT WAYPOINT | |
| SUN AND MOON INFORMATION | |
Cycling features | |
| AVAILABLE CYCLING PROFILES | Cycling, indoor cycling, mountain biking, e-biking, e-mountain biking |
|---|---|
| ALERTS (ALARM SOUNDS FOR GOALS SUCH AS TIME, DISTANCE, HEART RATE OR CALORIES) | |
| COURSES | |
| CYCLING LAP DATA AND MAX POWER PER LAP (WITH POWER METER) | |
| RACE AN ACTIVITY | |
| FTP (FUNCTIONAL THRESHOLD POWER) | Yes (with compatible accessory) |
| VECTOR™ COMPATIBLE (POWER METER) | |
| POWER METER SUPPORT | |
| VARIA VISION™ COMPATIBLE (IN-SIGHT DISPLAY) | |
| VARIA™ RADAR COMPATIBLE (REARVIEW RADAR) | |
| VARIA™ LIGHTS COMPATIBLE | |
| SPEED AND CADENCE SENSOR SUPPORT (WITH SENSOR) | |
Swimming features | |
| AVAILABLE SWIM PROFILES | Pool swimming, open-water swimming |
|---|---|
| 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 IDENTIFICATION (FREESTYLE, BACKSTROKE, BREASTSTROKE, BUTTERFLY) (POOL ONLY) | |
| DRILL LOGGING (POOL SWIM ONLY) | |
| BASIC REST TIMER (COUNTS UP FROM 0) (POOL SWIM ONLY) | |
| REPEAT ON REST TIMER | |
| AUTO REST (POOL SWIM ONLY) | |
| TIME AND DISTANCE ALERTS | |
| PACE ALERTS (POOL SWIM ONLY) | |
| COUNTDOWN START | |
| POOL SWIM WORKOUTS | |
| CRITICAL SWIM SPEED | |
| UNDERWATER WRIST-BASED HEART RATE | |
| HEART RATE FROM EXTERNAL HRM (REAL TIME WHILE RESTING, INTERVAL AND SESSION STATS WHILE RESTING, AND AUTOMATIC HEART RATE DOWNLOAD AFTER THE SWIM) | Yes (with HRM-Swim™ or HRM-Pro™) |
Kids activity tracking features | |
| TOE-TO-TOE™ CHALLENGES APP | Yes (optional Connect IQ Toe-to-Toe™ challenges) |
|---|---|
Connectivity | |
| SMART TRAINER CONTROL | |
|---|---|
- Forerunner 255
- Charging/data cable
Frequently asked questions
Water Resistance Ratings
We test our devices thoroughly to ensure they withstand the activities they are designed for. Please note that even if a device is above its rated depth, water may still enter the device if it is exposed to water pressure exceeding the rated depth. Water resistance rating Definit...
Garmin and smart device compatibility
For Garmin devices to be compatible with your smart device, it must meet at least the following requirements:
|
Android devices:
Please note! From Android 6.0.1 onwards, location services must be turned on in your phone, otherwise the Connect Mobile app will not connect to your watch. (Settings -Location - On) Smart devices running Android GO versions do not support the Garmin Connect Mobile app. |
Apple devices:
|
Garmin watches are currently not compatible with the following smart devices:
- Lenovo S960 VIBEX
- Meizu mx4
- Samsung J3 Model J320FN
- Huawei phones
Help with connecting to a Huawei phone can be found here:
Wearing and caring for your Garmin sports device
Following these FAQ tips should help you avoid problems related to wearing your Garmin watch. However, if you develop a skin rash, redness or irritation, stop wearing the watch until your skin has healed. Clean the watch and band thoroughly and follow the relevant use and care ti...
Wrist-based heart rate accuracy
My watch's heart rate sensor is not reading my heart rate correctly Optical heart rate sensors work using a light that measures small changes in blood flow directly at the wrist. The sensor measures changes in the capillaries beneath the outer layer of skin. Although Garmin's hea...
Accuracy of Activity and Fitness Tracking
Garmin wearable devices are designed as tools that give you information to encourage an active and healthy lifestyle. Garmin wearables rely on sensors that track your movement and other metrics. The data and information provided by these devices are intended to give a close estim...
Heart rate monitor differences
HRM600 HRM200 HRM-Fit General Module size 68.0 x 31.6 x 10.0 mm (2.7″ W x 1.2″ H x 0.4″ D) 68 x 31.6 x 11 mm (2.7" W x 1.2" H x 0.4" D) 31 x 55.5 x 14.2 mm (1.2″ W x 2.2″ H x 0.6″ D) Size range XS–S: strap length 56–72 cm (22″–28″) Fits 60–85 cm chest circumference (23.5–33.5 in)...
Running dynamics and physiological measurements
By tracking the key aspects of your running and training habits, you get deeper insight into your fitness. Analysing your workouts tells you what to keep doing or what to change to improve your results. Selected Garmin devices collect data during your training to present running...
My Garmin sports device won't start
If your device won't start and shows a blue triangle, try the following recovery step. Press and hold the device's power/light button until the watch turns off. This may take up to 15 seconds. Press the power/light button to turn the device back on. My device turned on normally I...
How to find your Garmin watch serial number?
Every Garmin watch has a unique serial number for identification.
The serial number is a combination of 9 letters or numbers printed on the watch, without spaces or hyphens.
The location of the serial number varies by model.
On the back of the watch
On the watch case, near the band attachment
On the watch box
On the Connect.Garmin.com website
- Sign in to your Garmin Connect account in a web browser.
- Select the watch icon (Devices and sync status) in the top right corner.
- Select your Garmin device.
- Your serial number is shown at the top of the page, below your device name.
What is GPS and how accurate is it?
WHAT IS GPS? The Global Positioning System (GPS) is a satellite navigation system owned by the US government, currently made up of at least 24 operational satellites. GPS works in any weather conditions, anywhere in the world, 24 hours a day, with no subscription or setup fees. T...
