Garmin Forerunner 255

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Color: Slate Grey

Easy-to-Read Display
Garmin’s Forerunner® 255 smartwatch is built with a slim design and features an always-on, full-colour display. The watch is therefore light on your wrist and easy to read even in direct sunlight.

Battery Life
Delivering extensive battery life, the Forerunner® 255 watch is engineered with different battery modes which can easily be switched between to conserve battery power. The watch provides 12 days of battery life in Smartwatch Mode and up to 26 hours in GPS Mode – plenty of battery life to get a full picture of your health from sleep to training.

Morning Report
The new Morning Report prepares you for your day. The report summarises your sleep, recovery time, training status, HRV status and daily workout suggestions – all in one place, ready as soon as you wake up.

Race Day
Be race day ready with the Forerunner® 255's training tips, personalised daily suggested workouts and completion time predictions – all based on course details, weather, and performance.

Weekly Training Schedule
At a glance, view your entire week of daily suggested workouts – which adapts after every run to match your performance and recovery.

HRV Status
The Forerunner® 255 HRV status tracks your heart rate variability while you sleep. This provides greater insight into your overall wellness, recovery, and training performance (See accuracy).

Garmin Coach
Get free and adaptive training plans from Garmin Coach for 5K, 10K, and half-marathon races. Or use the Garmin Connect™ smartphone app to create custom workouts.

Current Training Status
The Forerunner® 255 allows you to analyse your current training status. The watch indicates where you’re undertraining or overdoing it, offering additional performance monitoring features, including recovery time after your workouts.

Activity Profiles
When you fancy switching up your workout routine the Forerunner® 255 has your back with a wide range of included activity profiles – including triathlons, cycling, open-water swimming, and more.

Accurate Tracking
Garmin’s Forerunner® 255 utilises multi-band satellite tracking, with GPS, GLONASS, and Galileo networks, that provide superior accuracy for tracking your running performance – even in the most challenging environments.

Safety Tracking Features
Keeping you safe while you run, the Forerunner® 255 offers safety and tracking features (when paired with a compatible smartphone; see For safety and tracking feature requirements and limitations, see which 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.

Stay Connected
Stay connected while you run – receive emails, texts, and alerts right on your watch when paired with your Apple® or Android™ smartphone. When paired with an Android™ you can also reply to texts via the watch.

Garmin Pay™
The Forerunner® 255 also lets you make contactless payments right from your watch face with Garmin Pay™ which lets you leave your cash and cards at home (1View current supported country, payment network and issuing bank information at