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TUNE YOUR TRAINING
Add a beat to your step. Get the training and recovery insights you need to run at a higher level — plus music to motivate you along the way.
The Forerunner 255 Music does everything you need in a running GPS watch: it measures distance, shows live and average pace and calculates calories burned. What makes this watch so special is its training and recovery benefits. This isn’t just a watch to wear while you work out, I found I got the most accurate training data while wearing it 24/7.
The music component of the watch is easy to use and can lighten your load by leaving your phone at home. The 255 feels like you have a personal coach living on your wrist with its in-depth training data and recovery tools, such as body battery and training load, which looks at your past seven days of workouts and recovery and lets you know if your training is going in the right direction.
- Get an overview of your sleep, HRV status and daily workout with 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.
- Utilize 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.
- FEATURES -
READY FOR THE LONG RUN
Get an uninterrupted picture of your daily health and nightly sleep with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
(ALMOST) AS LIGHT AS A FEATHER
With its sleek design and 1.7 oz weight, you’ll almost forget you’re wearing Forerunner 255 Music — even when you’re asleep.
Featuring easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning® Gorilla® Glass 3.
Receive an overview of your sleep, recovery and training outlook as soon as you wake up — alongside HRV status and weather. You can even customize your report to show you what you want to see.
Gain a deeper understanding of your overall health, recovery and training performance through heart rate variability while you sleep, based on technology developed by our Firstbeat Analytics™ team.
BUILT-IN SPORTS APPS
Tap into 30+ built-in activities, including the triathlon and open-water swimming profiles — new to the Forerunner 255 series. For races and brick workouts, transition to the next activity with a single button press.
Get ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance.
DAILY SUGGESTED WORKOUTS
View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect™ smartphone app calendar.
Free adaptive training plans include 5K, 10K and half-marathon programs, featuring guidance from expert coaches that adapt to you and your goals.
When using a Running Dynamics Pod or HRM-Pro™ monitor, get a continuous measurement on your wrist of how much power you’re applying to the road as you run, so you can manage your effort.
Know how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.
To help you plan your race day strategy, this feature offers GPS-based pace guidance for a selected course or distance, so you can tailor your efforts to what’s ahead.
Using new indicators such as HRV status, your recent exercise history and performance, get an easy insight into your overall effort — and whether you’re training productively, peaking or strained.
See your training history, and compare the intensity of your recent workouts to the optimal range to help improve your fitness.
See how your workouts influence your endurance, speed and power with aerobic and anaerobic training effect feedback.
While you run, get an analysis of your pace and heart rate for a real-time assessment of your current ability to perform.
When using a Running Dynamics Pod or HRM-Pro monitor, the Forerunner 255 Music watch measures crucial running metrics such as cadence, stride length, ground contact time and balance, and more — while comparing to others in the Garmin Connect app.
Create or find existing courses in the Garmin Connect app, so you’ll never run out of places to run. Or plan one on other platforms such as Strava and Komoot, then automatically sync them to your Forerunner.
VISUAL RACE PREDICTOR
Based on your running history and overall fitness level, get an estimate of what your pace could be for a 5K, 10K — or even a marathon. Plus, trend data highlights your training’s impact over time.
Mix up your training with different types of workouts. Free HIIT, strength, cardio, yoga and Pilates workouts come preloaded on the watch, and you can download more from the Garmin Connect app.
WRIST-BASED HEART RATE
The watch constantly samples your heart rate2 with our latest-generation heart rate sensor and will alert you if it stays too high or too low while you’re at rest. It also helps gauge how hard you work during activities — even while swimming.
BODY BATTERY™ ENERGY MONITORING
Track your body’s energy levels so you can find the best times for activity and rest 2.
IMPROVED SLEEP MONITORING AND SLEEP SCORE
Understand how your body is recovering — and get ready for training — with our improved sleep monitoring feature. After waking up, you’ll receive a sleep score, as well as breakdown of your sleep stages, Pulse Ox3 and respiration, alongside detailed insights for improved sleep quality.
PULSE OX SENSOR
This wrist-based Pulse Ox sensor3 monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.
WOMEN’S HEALTH TRACKING
Use the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise and nutrition education, and more. Even see and log details on your wrist with the Women’s Health Tracking app.
Our intensity minutes feature tells you when during the day you earned them and during what activity.
Find out if you’re having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity when the watch detects that you’re feeling stressed.
HEALTH SNAPSHOT™ FEATURE
Log a 2-minute session to record key stats, including heart rate2, heart rate variability, Pulse Ox3, respiration and stress. Then generate a report with those stats to share via the Garmin Connect app on your compatible smartphone.
MULTI-BAND GNSS SUPPORT
Access multiple global navigation satellite systems, and get access to multiple frequencies sent by navigation satellites for improved accuracy in areas where GNSS signals are reflected, weak or typically don't penetrate — giving you superior accuracy for how far and how fast you’ve run — even in challenging environments.
MUSIC ON YOUR WRIST
Download up to 500 songs plus playlists from your Spotify, Deezer or Amazon Music accounts (subscription required).
GARMIN PAY CONTACTLESS PAYMENTS
Breeze through checkout lines with Garmin Pay contactless payments1 through participating providers.
Receive emails, texts and alerts right on your watch when paired with your Apple® or Android™ smartphone. You can even respond to texts if you have an Android phone.
SAFETY AND TRACKING FEATURES
If you feel unsafe or if your watch senses that an incident occurred, the Assistance and incident detection features4 send your location to emergency contacts. Incident detection is enabled by default for select activity profiles only.
Use LiveTrack to let friends and family follow your real-time location4 and even view your entire preplanned course. Rest assured that your loved ones know exactly where you’re running.
GARMIN CONNECT APP
See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more — all in one free, zero-subscription app.
CONNECT IQ™ STORE
Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store app downloaded on your compatible smartphone.
- SPECIFICATIONS -
- LENS MATERIAL: Corning® Gorilla® Glass 3
- BEZEL MATERIAL: fiber-reinforced polymer
- QUICK RELEASE BANDS: 22 mm, Industry standard
- STRAP MATERIAL: silicone
- PHYSICAL SIZE: 45.6 x 45.6 x 12.9 (mm)
- Fits wrists with a circumference of 130-205 mm
- COLOR 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 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
- WATER RATING 5 ATM
- MEMORY/HISTORY 4 GB
- CLOCK FEATURES -
GPS TIME SYNC
AUTOMATIC DAYLIGHT SAVING TIME
SUNRISE/SU NSET TIMES
- HEALTH MONITORING -
WRIST-BASED 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 yes (spot-check, and optional all-day acclimation and in sleep)
BODY BATTERY™ ENERGY MONITOR
RELAXATION BREATHING TIMER
SLEEP yes (advanced)
SLEEP SCORE AND INSIGHTS
HYDRATION yes (in Garmin Connect™ and optional Connect IQ™ widget)
WOMEN'S HEALTH yes (in Garmin Connect™ and optional Connect IQ™ widget)
- SENSORS -
GARMIN ELEVATE™ WRIST HEART RATE MONITOR
PULSE OX BLOOD OXYGEN SATURATION MONITOR
- DAILY SMART FEATURES -
CONNECTIVITY Bluetooth®, ANT+®, Wi-Fi®
CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS)
ON-DEVICE CONNECT IQ™ STORE
TEXT RESPONSE/REJECT PHONE CALL WITH TEXT (ANDROID™ ONLY)
REALTIME SETTINGS SYNC WITH GARMIN CONNECT™ MOBILE
BATTERY SAVER (CUSTOMIZABLE LOW POWER WATCH)
CONTROLS SMARTPHONE MUSIC
PLAYS AND CONTROLS WATCH MUSIC
MUSIC STORAGE up to 500 songs
FIND MY PHONE
FIND MY WATCH
SMARTPHONE COMPATIBILITY iPhone® and Android™
PAIRS WITH GARMIN CONNECT™ MOBILE
- SMART TRACKING FEATURES -
LIVE EVENT SHARING Android™ Only
INCIDENT DETECTION DURING SELECT ACTIVITIES
- ACTIVITY TRACKING FEATURES -
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)
GARMIN CONNECT™ CHALLENGES APP yes (optional Connect IQ app)
- GYM & FITNESS EQUIPMENT -
AVAILABLE GYM ACTIVITY PROFILES Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
ON-SCREEN WORKOUT ANIMATIONS
ON-SCREEN WORKOUT MUSCLE MAPS
AUTOMATIC REP COUNTING
- TRAINING, PLANNING & ANALYSIS FEATURES -
% HR MAX
AUTO MAX HR
HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES)
RESPIRATION RATE (DURING EXERCISE) yes (with compatible accessory)
GPS SPEED AND DISTANCE
CUSTOMIZABLE DATA PAGES
CUSTOMIZABLE ACTIVITY PROFILES
IMPROVED INTERVAL (INCLUDES OPEN REPEATS, INTERVALS DATA PAGE, REST SCREEN AND AUTO DETECTION)
DOWNLOADABLE TRAINING PLANS
CONFIGURABLE LAP ALERTS
VO2 MAX (RUN)
VO2 MAX (TRAIL RUN)
TRAINING STATUS improved
TRAINING LOAD FOCUS
TRAINING EFFECT (ANAEROBIC)
PRIMARY BENEFIT (TRAINING EFFECT LABELS)
IMPROVED RECOVERY TIME
DAILY SUGGESTED WORKOUTS yes (7 days)
RACE AN ACTIVITY
AUTO MULTISPORT ACTIVITIES
MANUAL MULTISPORT ACTIVITIES
TOUCH AND/OR BUTTON LOCK
ACTIVITY HISTORY ON WATCH
- RUNNING FEATURES -
AVAILABLE RUN PROFILES
Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running
GPS-BASED DISTANCE, TIME AND PACE
RUNNING DYNAMICS yes (with compatible accessory)
VERTICAL OSCILLATION AND RATIO yes (with compatible accessory)
GROUND CONTACT TIME AND BALANCE yes (with compatible accessory)
STRIDE LENGTH (REAL TIME) yes (with compatible accessory)
CADENCE (PROVIDES REAL-TIME NUMBER OF STEPS PER MINUTE)
RUNNING POWER yes (with compatible accessory)
LACTATE THRESHOLD yes (with compatible accessory)
PACEPRO™ PACING STRATEGIES
COURSE- AND WEATHER-SPECIFIC RACE PREDICTOR
FOOT POD CAPABLE
- OUTDOOR RECREATION -
AVAILABLE OUTDOOR RECREATION PROFILES
Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing
BREAD CRUMB TRAIL IN REAL TIME
BACK TO START
DISTANCE TO DESTINATION
BAROMETRIC TREND INDICATOR WITH STORM ALERT
TRAIL RUN AUTO CLIMB
FUTURE ELEVATION PLOT
SUN AND MOON INFORMATION
- CYCLING FEATURES -
AVAILABLE CYCLING PROFILES
Biking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking
ALERTS (TRIGGERS ALARM WHEN YOU REACH GOALS INCLUDING TIME, DISTANCE, HEART RATE OR CALORIES)
BIKE LAP AND LAP MAXIMUM POWER (WITH POWER SENSOR)
RACE AN ACTIVITY
FTP (FUNCTIONAL THRESHOLD POWER) yes (with compatible accessory)
COMPATIBLE WITH VECTOR™ AND RALLY™ (POWER METERS)
POWER METER COMPATIBLE
COMPATIBLE WITH VARIA VISION™ (HEAD-MOUNTED DISPLAY)
COMPATIBLE WITH VARIA™ RADAR (REAR-FACING RADAR)
COMPATIBLE WITH VARIA™ LIGHTS
SPEED AND CADENCE SENSOR SUPPORT (W/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 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 ALERTS
PACING ALERTS (POOL SWIM ONLY)
COUNTDOWN START (POOL SWIM ONLY)
POOL SWIM WORKOUTS
CRITICAL SWIM SPEED
UNDERWATER WRIST-BASED HEART RATE
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 APP yes (optional Connect IQ Toe-to-Toe™ Challenges app)
- CONNECTIVITY -
SMART TRAINER CONTROL
- IN THE BOX -
- Forerunner 255 Music
- Charge/data cable