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.

Product Highlights:

Tracks your runs with GPS

Get personalized fitness and health stats

14 days of battery life in smartwatch mode

Receive emails, texts and alerts on your watch when paired with smartphone

Product Features:

Battery Life

Forerunner® 255 Music provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health — from sleep to training.

Connect and Listen

Download up to 500 songs to your watch, including playlists from Spotify, Amazon Music or Deezer (subscription required), and connect with your wireless headphones for phone-free listening.

Performance Reports

Morning report summarizes your sleep, recovery time, training status, HRV status and daily workout suggestion in one place as soon as you wake up (This device is intended to give an estimate of your activity and metrics).

Personalized Training

Get ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance. View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery.

Health Stats

HRV status tracks your heart rate variability while you sleep, giving you greater insight into your overall wellness, recovery and training performance (This device is intended to give an estimate of your activity and metrics).

Garmin Connect

Get free adaptive training plans from Garmin Coach for a 5K, 10K and half-marathon, or create your own custom workouts in the Garmin Connect™ smartphone app.

Variety of Profiles

Switch up your workout routine with activity profiles for running, triathlon, cycling, open-water swimming and more.

Safety Features

Multi-band satellite tracking on GPS, GLONASS and Galileo networks gives you superior accuracy for how far and how fast you’ve run — even in challenging environments. Safety and tracking features make it easy to share your location with chosen contacts if you feel unsafe, if an incident is detected or for loved ones to track your runs (Requires setup and your smartphone to be in an area with network coverage where data connectivity is available).

Smart Notifications

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.

Garmin Pay

With a supported bank, leave your cash and cards at home; Garmin Pay™ contactless payments let you pay for purchases on the go.

Product Specifications:

General

Lens Material - Corning® Gorilla® Glass 3

Bezel Material - fiber-reinforced polymer

Quick Release Bands - yes (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

Water Rating - 5 ATM

Memory/History - 4 GB

Clock Features - Time/Date, GPS Time Sync, Automatic Daylight Saving Time, Alarm Clock, Timer, Stopwatch, Sunrise/Sunset 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) - Yes

Pulse Ox Blood Oxygen Saturation - Yes (spot-check, and optional all-day acclimation and in sleep)

Sleep - Yes (advanced)

Hydration - Yes (in Garmin Connect™ and optional Connect IQ™ widget)

Women's Health - Yes (in Garmin Connect™ and optional Connect IQ™ widget)

Sensors - GPS, Glonass, Galileo, Multi-Frequency Positioning, Garmin Elevate™ Wrist Heart Rate Monitor, Barometric Altimeter, Compass, Gyroscope, Accelerometer, Thermometer 

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

Daily Smart Features

Connectivity - Bluetooth®, ANT ®, Wi-Fi®

Connect IQ™ (Downloadable Watch Faces, Data Fields, Widgets And Apps) - Yes

Smart Notifications - Yes

Calendar - Yes

Weather - Yes

Realtime Settings Sync With Garmin Connect™ Mobile - Yes

Battery Saver (Customizable Low Power Watch) - Yes

Smartphone Compatibility iPhone® and Android™ - Yes

Pairs With Garmin Connect™ Mobile - Yes

Garmin Pay™ - Yes

Music

Controls Smartphone Music - Yes

Plays And Controls Watch Music - Yes

Music Storage - up to 500 songs

Safety and Tracking Features

Livetrack - Yes

Live Event Sharing - Android™ Only

Incident Detection During Select Activities - Yes

Activity Tracking Features

Step Counter - Yes

Move Bar (Displays On Device After A Period Of Inactivity; Walk For A Couple Of Minutes To Reset It) - 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

Available Gym Activity Profiles - Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga

Workouts Available - Cardio, Strength, HIIT, Yoga, Pilates

Running Features

GPS-Based Distance, Time and Pace - Yes

Running Dynamics - Yes (with compatible accessory)

Outdoor Recreation

Available Outdoor Recreation Profiles - Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing

Point-to-Point Navigation - Yes

Elevation Profile - Yes

Other Special Workout Profiles - Cycling Features, Swimming Features