Add rhythm to your steps. Gain insights into the training and recovery you need to take your running to the next level with motivating music along the way.
Get insights into your sleep, heart rate variability, and daily exercise through the morning report.
Charge less, train more with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.
Push your limits with built-in triathlon profiles and over 30 activity profiles.
Plan your strategy with recommended workout suggestions for the day, course details, and other race widget options.
Utilize a range of advanced metrics and training tools to achieve your goals.
Enjoy post-workout coffee with Garmin Pay™1 contactless payment solution and listen to music on the go.
READY FOR LONG RUNS
With up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode, you can maintain continuous monitoring of your daily health and nighttime sleep.
AS LIGHT AS A FEATHER
Thanks to its sleek design and 39g weight, you'll almost forget you're wearing the Forerunner® 255S Music, even while sleeping.
SWEAT-READY MATERIALS
Equipped with convenient buttons and a silicone strap, this watch is ready for wear and tear, featuring durable Corning® Gorilla® Glass 3.
Light on the Wrist. Packed with Features.
MORNING REPORT
Receive a sleep summary upon waking, including heart rate variability and weather conditions. You can even customize the report to display what you want.
HEART RATE VARIABILITY
Gain deeper insights into your overall health, training, and recovery through sleep heart rate variability, based on technology developed by our Firstbeat Analytics™ team.
BUILT-IN SPORTS APPS
Take advantage of over 30 built-in activities, including triathlon and open water swimming profiles—new to the Forerunner 255 series. Transition to the next activity in races and multisport workouts with just one button press.
RACE WIDGET
Prepare for your next race with training tips, personalized daily workout suggestions, and finish time predictions based on course details, weather, and performance.
DAILY WORKOUT SUGGESTIONS
In the Garmin Connect™ smartphone app's calendar, view recommended workouts for the entire week, which adjust based on your performance and recovery after each run.
GARMIN COACH
Free customizable training plans cover distances of 5k, 10k, and half marathon, with expert coach tips tailored to you and your goals.
TRIATHLON AND MULTISPORT PROFILES
Use built-in profiles for triathlon, duathlon, multisport, and swim/run, and easily switch between sports with a single button press. Or create your own multisport activity profile.
RUNNING POWER
When using a running dynamics pod or HRM-Pro™ sensor, get continuous power measurements that transfer your running effort to the ground, allowing you to adjust your exertion.
RECOVERY TIME
From your latest workout and overall stress to sleep and daily activities beyond workouts, find out how long you should recover before your next strenuous exercise.
PacePro™ FEATURE
To help you plan your race day strategy, this feature offers GPS-based pace guidance for your chosen course or distance, so you can adjust your effort accordingly.
TRAINING STATUS
By applying new indicators like heart rate variability, recent training history, and performance, gain insight into your overall effort, whether you're training productively, peaking, or overreaching.
TRAINING LOAD
Review your training history and compare the intensity of recent workouts to optimal ranges to improve fitness.
TRAINING EFFECT
Learn how exercise impacts your endurance, speed, and power with aerobic and anaerobic training effect data.
PERFORMANCE CONDITION
While running, analyze your pace and heart rate to assess your current fitness performance in real time.
RUNNING DYNAMICS
When using a running dynamics pod or HRM-Pro sensor, the Forerunner 255S Music measures key running metrics such as cadence, stride length, ground contact time, and balance, and compares them with others in the Garmin Connect app.
COURSES
Create or find courses in the Garmin Connect app, and never run out of running ideas. You can plan them on other platforms like Strava and Komoot and then automatically sync them to the Forerunner device.
TRACK RUNNING
Ready for speed work? Enter the track running activity on the built-in track and field activity to record exact lap distance and see your distances in meters.
RACE PREDICTOR
Based on running history and overall fitness, get a pace prediction for distances of 5k, 10k, or even a marathon. Additionally, trend data highlights the impact of your training over time.
CROSS-TRAINING
Mix up your workouts with various types of exercises. Free HIIT workouts, strength workouts, cardio, yoga, and pilates are delivered with the watch, and you can download more in the Garmin Connect app.
Deep Insights into Health
WRIST-BASED HEART RATE SENSOR
The watch continuously measures your heart rate2 with our latest-generation heart rate sensor and alerts you if it stays too high or too low while at rest. It also measures your effort during activities, even while swimming.
BODY BATTERY™ ENERGY SENSOR
Measure the energy level in your body to find the best time for activity and rest2.
SLEEP SCORE AND ADVANCED SLEEP MONITORING
Determine your sleep quality score and gain insights for making improvements. You can even track different sleep stages, as well as pulse, stress, pulse oximetry3, and respiration.
WRIST-BASED PULSE OXIMETER
The wrist-based pulse oximeter3 sensor monitors blood oxygen saturation levels, allowing for advanced sleep tracking and altitude acclimatization.
Menstrual Tracking
Track your menstrual cycle or pregnancy in the Garmin Connect app. Record symptoms, receive exercise and nutrition tips, and much more. You can even view and log details on your wrist using the women's health tracking app.
INTENSITY MINUTES
The intensity minutes feature shows when you've earned them throughout the day and during which activities.
STRESS TRACKING
Find out if you're having a calm, balanced, or stressful day. Relaxation reminders will even prompt you to do a short breathing activity when the watch detects stress.
HEALTH SNAPSHOT™ FEATURE
Record a two-minute health snapshot session to capture key statistics, including pulse2, heart rate variability, pulse oximetry3, respiration, and stress. Then, use the Garmin Connect app on your compatible smartphone to generate a report with these statistics to share.
Stay Connected Every Step of the Way
MULTI-BAND GNSS SUPPORT
Access multiple global navigation satellite systems and multiple frequencies broadcast by navigation satellites for greater accuracy in spaces where GNSS signals are obstructed, weak, or not typically available, ensuring top-notch distance and speed accuracy, even in challenging environments.
MUSIC ON YOUR WRIST
Download up to 500 songs and playlists from Spotify, Deezer, or Amazon Music accounts (subscription required).
GARMIN PAY CONTACTLESS PAYMENT FEATURE
Skip the checkout lines with Garmin Pay1 contactless payment solution at supported providers.
SMART NOTIFICATIONS
Receive emails, messages, and alerts directly on the watch when paired with an Apple® or Android™ smartphone. You can even respond to messages if you have an Android phone.
SAFETY AND TRACKING FEATURES
If you don't feel safe or if the watch detects an incident, safety and incident detection4 features send your location to emergency contacts. Incident detection is enabled by default for select activity profiles.
LIVETRACK FEATURE
LiveTrack allows your friends and family to follow your real-time location4 and even review your entire pre-planned route. Be worry-free as your loved ones will know exactly where you're running.
Garmin Connect
View health and fitness information, connect and compete with friends, join challenges to earn badges, and more—all on a free, subscription-free app.
CONNECT IQ™ STORE
Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ™ Store to your compatible smartphone.
Smartwatch mode: Up to 12 days
GNSS mode with GPS only: Up to 26 hours
All GNSS modes with music: Up to 5.5 hours
All GNSS modes: Up to 20 hours
All GNSS modes with multiple bands: Up to 13 hours View Details
Add rhythm to your steps. Gain insights into the training and recovery you need to take your running to the next level with motivating music along the way.
Get insights into your sleep, heart rate variability, and daily exercise through the morning report.
Charge less, train more with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.
Push your limits with built-in triathlon profiles and over 30 activity profiles.
Plan your strategy with recommended workout suggestions for the day, course details, and other race widget options.
Utilize a range of advanced metrics and training tools to achieve your goals.
Enjoy post-workout coffee with Garmin Pay™1 contactless payment solution and listen to music on the go.
READY FOR LONG RUNS
With up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode, you can maintain continuous monitoring of your daily health and nighttime sleep.
AS LIGHT AS A FEATHER
Thanks to its sleek design and 39g weight, you'll almost forget you're wearing the Forerunner® 255S Music, even while sleeping.
SWEAT-READY MATERIALS
Equipped with convenient buttons and a silicone strap, this watch is ready for wear and tear, featuring durable Corning® Gorilla® Glass 3.
Light on the Wrist. Packed with Features.
MORNING REPORT
Receive a sleep summary upon waking, including heart rate variability and weather conditions. You can even customize the report to display what you want.
HEART RATE VARIABILITY
Gain deeper insights into your overall health, training, and recovery through sleep heart rate variability, based on technology developed by our Firstbeat Analytics™ team.
BUILT-IN SPORTS APPS
Take advantage of over 30 built-in activities, including triathlon and open water swimming profiles—new to the Forerunner 255 series. Transition to the next activity in races and multisport workouts with just one button press.
RACE WIDGET
Prepare for your next race with training tips, personalized daily workout suggestions, and finish time predictions based on course details, weather, and performance.
DAILY WORKOUT SUGGESTIONS
In the Garmin Connect™ smartphone app's calendar, view recommended workouts for the entire week, which adjust based on your performance and recovery after each run.
GARMIN COACH
Free customizable training plans cover distances of 5k, 10k, and half marathon, with expert coach tips tailored to you and your goals.
TRIATHLON AND MULTISPORT PROFILES
Use built-in profiles for triathlon, duathlon, multisport, and swim/run, and easily switch between sports with a single button press. Or create your own multisport activity profile.
RUNNING POWER
When using a running dynamics pod or HRM-Pro™ sensor, get continuous power measurements that transfer your running effort to the ground, allowing you to adjust your exertion.
RECOVERY TIME
From your latest workout and overall stress to sleep and daily activities beyond workouts, find out how long you should recover before your next strenuous exercise.
PacePro™ FEATURE
To help you plan your race day strategy, this feature offers GPS-based pace guidance for your chosen course or distance, so you can adjust your effort accordingly.
TRAINING STATUS
By applying new indicators like heart rate variability, recent training history, and performance, gain insight into your overall effort, whether you're training productively, peaking, or overreaching.
TRAINING LOAD
Review your training history and compare the intensity of recent workouts to optimal ranges to improve fitness.
TRAINING EFFECT
Learn how exercise impacts your endurance, speed, and power with aerobic and anaerobic training effect data.
PERFORMANCE CONDITION
While running, analyze your pace and heart rate to assess your current fitness performance in real time.
RUNNING DYNAMICS
When using a running dynamics pod or HRM-Pro sensor, the Forerunner 255S Music measures key running metrics such as cadence, stride length, ground contact time, and balance, and compares them with others in the Garmin Connect app.
COURSES
Create or find courses in the Garmin Connect app, and never run out of running ideas. You can plan them on other platforms like Strava and Komoot and then automatically sync them to the Forerunner device.
TRACK RUNNING
Ready for speed work? Enter the track running activity on the built-in track and field activity to record exact lap distance and see your distances in meters.
RACE PREDICTOR
Based on running history and overall fitness, get a pace prediction for distances of 5k, 10k, or even a marathon. Additionally, trend data highlights the impact of your training over time.
CROSS-TRAINING
Mix up your workouts with various types of exercises. Free HIIT workouts, strength workouts, cardio, yoga, and pilates are delivered with the watch, and you can download more in the Garmin Connect app.
Deep Insights into Health
WRIST-BASED HEART RATE SENSOR
The watch continuously measures your heart rate2 with our latest-generation heart rate sensor and alerts you if it stays too high or too low while at rest. It also measures your effort during activities, even while swimming.
BODY BATTERY™ ENERGY SENSOR
Measure the energy level in your body to find the best time for activity and rest2.
SLEEP SCORE AND ADVANCED SLEEP MONITORING
Determine your sleep quality score and gain insights for making improvements. You can even track different sleep stages, as well as pulse, stress, pulse oximetry3, and respiration.
WRIST-BASED PULSE OXIMETER
The wrist-based pulse oximeter3 sensor monitors blood oxygen saturation levels, allowing for advanced sleep tracking and altitude acclimatization.
Menstrual Tracking
Track your menstrual cycle or pregnancy in the Garmin Connect app. Record symptoms, receive exercise and nutrition tips, and much more. You can even view and log details on your wrist using the women's health tracking app.
INTENSITY MINUTES
The intensity minutes feature shows when you've earned them throughout the day and during which activities.
STRESS TRACKING
Find out if you're having a calm, balanced, or stressful day. Relaxation reminders will even prompt you to do a short breathing activity when the watch detects stress.
HEALTH SNAPSHOT™ FEATURE
Record a two-minute health snapshot session to capture key statistics, including pulse2, heart rate variability, pulse oximetry3, respiration, and stress. Then, use the Garmin Connect app on your compatible smartphone to generate a report with these statistics to share.
Stay Connected Every Step of the Way
MULTI-BAND GNSS SUPPORT
Access multiple global navigation satellite systems and multiple frequencies broadcast by navigation satellites for greater accuracy in spaces where GNSS signals are obstructed, weak, or not typically available, ensuring top-notch distance and speed accuracy, even in challenging environments.
MUSIC ON YOUR WRIST
Download up to 500 songs and playlists from Spotify, Deezer, or Amazon Music accounts (subscription required).
GARMIN PAY CONTACTLESS PAYMENT FEATURE
Skip the checkout lines with Garmin Pay1 contactless payment solution at supported providers.
SMART NOTIFICATIONS
Receive emails, messages, and alerts directly on the watch when paired with an Apple® or Android™ smartphone. You can even respond to messages if you have an Android phone.
SAFETY AND TRACKING FEATURES
If you don't feel safe or if the watch detects an incident, safety and incident detection4 features send your location to emergency contacts. Incident detection is enabled by default for select activity profiles.
LIVETRACK FEATURE
LiveTrack allows your friends and family to follow your real-time location4 and even review your entire pre-planned route. Be worry-free as your loved ones will know exactly where you're running.
Garmin Connect
View health and fitness information, connect and compete with friends, join challenges to earn badges, and more—all on a free, subscription-free app.
CONNECT IQ™ STORE
Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ™ Store to your compatible smartphone.
Smartwatch mode: Up to 12 days
GNSS mode with GPS only: Up to 26 hours
All GNSS modes with music: Up to 5.5 hours
All GNSS modes: Up to 20 hours
All GNSS modes with multiple bands: Up to 13 hours View Details
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