FORERUNNER 255S MUSIC

 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.

Get an overview of your sleep, HRV status and daily workout with 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 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.  

READY FOR THE LONG RUN

Get an uninterrupted picture of your daily health and nightly sleep with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.

(ALMOST) AS LIGHT AS A FEATHER

With its sleek design and 1.4 oz weight, you’ll almost forget you’re wearing Forerunner 255S Music — even when you’re asleep.

SWEAT-READY MATERIALS

Featuring easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning® Gorilla® Glass 3.  

MORNING REPORT

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.

HRV STATUS

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.  

RACE WIDGET

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.

GARMIN COACH

Free adaptive training plans include 5K, 10K and half-marathon programs, featuring guidance from expert coaches that adapt to you and your goals.  

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 rest2.

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.

INTENSITY MINUTES

Our intensity minutes feature tells you when during the day you earned them and during what activity.