Garmin Forerunner 255 watch

Reach your next goal

Train effectively with advanced analysis and recovery data to keep track of your training and improve your PB.

Features

• Lens material: Corning® Gorilla® Glass 3
• Bezel material: Fibre-reinforced polymer
• Quick-release straps: Yes (22 mm, Industry standard)
• Strap material: Silicone
• Case dimensions, WXLXA: 45.6 x 45.6 x 12.9 (mm)
• Suitable for wrists with a circumference of 130-205 mm
• Colour screen
• Screen size, LXA: 33 mm (1.3") diameter
• Screen resolution, LXA: 260 x 260 pixels
• Screen type: Anti-glare, transflective MIP (Memory-In-Pixel)
• Real weight: 49 g
• Battery life: Smartwatch mode: up to 14 days
• GNSS mode GPS only: up to 30 hours
• GNSS all systems mode: up to 25 hours
• GNSS all systems plus multi-band mode: up to 16 hours
• Water-resistance rating: Swimming, 5 ATM
• Memory/history: 4 GB

Ready for new goals
Monitor your daily health and nightly sleep with up to 14 days battery life in smartwatch mode and up to 30 hours with GPS on.

Sweat-resistant materials
Equipped with easy-to-use buttons, Corning® Gorilla® Glass 3 display and a silicone strap, this watch is ready to accompany you through your every experience.

Morning report
You can view an overview of your sleep, along with an indication of heart rate variability and weather conditions. You can also customise the report to show only what you're interested in seeing.

HRVstatus
Gain insight into your health, recovery and training performance through FirstBeat Analytics™ technology that measures heart rate variability during sleep.

Preloaded sport profiles
Choose from over 30 built-in activities, including triathlon and open water swimming profiles, both new to the Forerunner 255 series. For combined races and workouts, switch to the next activity at the touch of a button.

Race Widget
Get ready for your next goal with training tips, customised daily workouts and race time predictions based on course details, weather conditions and previous performances.

Suggested Daily Workouts
View a full week's worth of suggested daily workouts that match your performance and recovery after each run, as well as scheduled races in the Garmin Connect™ smartphone app calendar.

Garmin Coach
Training Plans include programmes for 5k, 10k and half marathons, with expert coach recommendations to suit you and your goals.

Running power
When you use a Running Dynamics Pod or HRM-Pro™ band, you get continuous measurement of the power you apply on the road as you run, so you can manage your effort.

Recovery time
Find out your recovery time before your next high intensity exercise, the prediction is based on your last workouts as well as general stress, sleep and daily activities outside of training.

PacePro™ function
To help you plan your race day strategy, this feature provides pace guidance based on your selected route or distance so you can calibrate your effort and finish within your target time.

Training status
Using new indicators such as your heart rate variability status, your training history and your recent performance, you will get detailed information on your overall effort and know whether your training is productive, light or too strenuous.

Acute load
View your training history and compare the intensity of your recent exercises with the optimal range to improve your fitness.

Training effect
Find out how your workouts affect your endurance, speed and power with the training effect function split between aerobic and anaerobic activity

Performance condition
During your run, you can get an analysis of your pace and heart rate for a real-time assessment of your performance.

Running Dynamics
When you use a Running Dynamics Pod or HRM-Pro, the Forerunner 255 watch measures essential data like cadence, stride length, ground contact time, balance and more, all for review and analysis in the Garmin Connect app.

Routes
Create or find existing routes in the Garmin Connect app so you'll never run out of new routes to explore. Or plan them on other platforms like Strava and Komoot, then automatically sync them to your Forerunner.

Race predictor
Based on your running history and general fitness level, you get a prediction of your pace for 5km, 10km or even marathon runs. In addition, trend graphs highlight the impact of your training over time.

Cross-training
Combine your workout with different inputs from high-intensity interval training, endurance, cardio, yoga and Pilates, all free profiles pre-loaded on the watch, or download more from the Garmin Connect app.

Heart Rate on Your Wrist
The smartwatch constantly records your heart rate2 with the latest generation sensor and will alert you if your heart rate is too high or too low while you're resting. It also allows you to measure the intensity of your activities, even while swimming.

Body Battery™ Energy Monitor
Measures your body's energy levels to know when is the best time to exercise and rest2.

Advanced sleep scoring and monitoring
Get a score on the quality of your sleep and information on how to improve it. You can also monitor the different stages of sleep as well as heart rate, stress, Pulse Ox3 and breathing.

Pulse Ox sensor
The Pulse Ox3 sensor monitors the oxygen saturation levels in your blood to receive an advanced sleep analysis and altitude acclimatisation data.

Women's Health Monitoring
Use the Garmin Connect app to monitor your menstrual cycle or pregnancy. Log your symptoms, get exercise and nutrition advice right on your wrist.

Intensity minutes
Indicates when you have accumulated minutes of intense activity and at what time within the day.

Stress detection
Find out whether your day is calm, balanced or stressful. Relaxation reminders invite you to do short breathing exercises when the watch detects a stressful condition.

Health snapshot™ function
With a 2-minute session you can record key statistics such as heart rate2 and its variation, Pulse Ox3, breathing and stress. Then you get a report with key statistics to share via the Garmin Connect™ app on your compatible smartphone.

Multi-band gnss support
Access multiple global navigation satellite systems for greater accuracy in areas where GNSS signals are reflected, weak or absent, such as in cities or forested areas, getting the most accurate distance and speed.

Contactless payments with garmin pay
Make your payments safe, easy and fast with the contactless solution1 Garmin Pay only between enabled providers.

Smart notification
Receive emails, SMS and push alerts directly to your watch if it's paired with your Apple® or Android™ smartphone. You can also reply to messages if you have an Android phone.

Tracking and security features
If you feel unsafe or if the watch detects that a fall has occurred, the assistance and incident detection functions4 send your location to emergency contacts. Incident detection is only activated for selected activity profiles.

Livetrack function
Use LiveTrack to allow friends and family to track your location in real time4 and view your entire planned route in advance. Make sure your loved ones know exactly where you are running.

Garmin Connect app
See your health and fitness information, connect and compete with friends, sign up for challenges to earn badges; all in one free app.

Connect IQ™ Store
Download customised watch faces, add data fields and download apps and widgets from the Connect IQ Store app downloaded to your compatible smartphone.

Included

• Forerunner® 255.
• Charging/data cable.
• Documentation.