Forerunner 255S Music

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

Utilise a full suite of advanced metrics and training tools to reach your goals.

Pay for your post-workout coffee with Garmin Pay™ contactless payments. — and listen to music on the go.

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.

With its sleek design and 39g weight, you'll almost forget you're wearing Forerunner® 255S 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 customise 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.

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.

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.

Train for an event, achieve a milestone, or improve your fitness with Garmin Coach training plans for runners. Just set it up in the Garmin Connect™ app, then let Garmin Coach create personalised daily workouts to help you reach your goals — from your first 5K to a full marathon. This includes Garmin Run Coach, which creates plans that adapt based on your performance, recovery and health metrics.

Switch between sports automatically by using built-in profiles for triathlons, duathlons, brick workouts and swimruns – so you can focus on the race and let your watch take care of recording splits. You can also create your own custom multisport profiles.

This smartwatch measures crucial running metrics such as cadence, stride length, ground contact time and more.

See how much power you’re applying to the trail or the road so you can manage your effort and fine-tune your training. No accessory required.

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.

Don’t run out of steam before the activity is over. After configuring your data fields in the running activity, understand how to adjust your pace over varying terrain to perform according to your plan.

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.

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.

Record accurate lap distances and see your distances in metres – even on a track you’ve never run before with a database with more than 10,000 tracks (400 metres) from all over the world.

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.

View your entire week of daily suggested cycling workouts directly on your smartwatch — which adapt to match your performance and the demands of upcoming events in your Garmin Connect™ smartphone app calendar.

The watch constantly samples your heart rate 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.

See your energy levels throughout the day so you’ll know when your body is charged up and ready for activity or drained and needing to recharge with restful sleep. And get even more details and personal insights on how sleep, naps, daily activities and high stress specifically impact your energy.

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Automatically track or log your naps to see how they benefit your body and to check the recommended time and duration they should be.

This wrist-based pulse ox sensor3 monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.

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.

Log a 2-minute session to record key stats, including heart rate2, heart rate variability, Pulse Ox, respiration and stress. Then generate a report with those stats to share via the Garmin Connect app on your compatible smartphone.

Multi-band GNSS with SatIQ technology ensures the best positioning accuracy in any environment while also optimising the device’s battery life.

Download songs and playlists from your Spotify, Deezer or YouTube® Music accounts for phone-free listening (subscription may be required).

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.

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 pre-planned course. Rest assured that your loved ones know exactly where you’re running.

See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more.

Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store app downloaded on your compatible smartphone.