Garmin Forerunner 255 Slate Gray

RUN AT A HIGHER LEVEL

Get an overview of your sleep, heart rate variability status and daily workouts with your morning report.

Charge less and train more with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Challenge yourself with the built-in triathlon function and more than 30 activity profiles.

Plan your strategy in the race widget, including daily recommended workouts, course information and other data.

Make the most of the advanced metrics and training tools to reach your goals.

Pay for your post-workout coffee with Garmin Pay™ contactless ^payment1.

LIGHT ON THE WRIST BUT RICH IN FEATURES

MORNING REVIEW

Get an overview of your sleep, strength recovery and training prospects as soon as you wake up, as well as HRV status and the weather forecast. You can also customise the report and see the information you need.

HEART RATE VARIABILITY STATUS (HRV)

Gain a deeper understanding of your overall health, recovery and training performance based on your heart rate variability during sleep with technology developed by the Firstbeat Analytics™ team.

SPORTS APPS LOADED

Try over 30 built-in activities, including triathlon and open water swim profiles, new to the Forerunner 255 series. For running races and complex workouts, switch to the next activity at the touch of a button.

COMPETITION WIDGET

Prepare for your next race with training tips, personalised daily recommended workouts and finish predictions based on course information, weather and performance.

DAILY TRAINING TIPS

View the Garmin Connect™ smartphone app calendar to see recommended daily workouts for the whole week, tailored to your performance and recovery status after each run, and see upcoming races.

GARMIN COACH

Free adaptive training plans include 5km, 10km and half marathon programmes with guidance from expert coaches, tailored to you and your goals.

TRIATHLON AND MULTISPORT PROFILES

Switch between sports with a single press using the built-in profiles for triathlons, duathlons and complex workouts. Or create your own customised multi-sport profiles.

RUNNING POWER

When you use the Running Dynamics Pod Senosra or HRM-Pro™ heart rate monitor, get a continuous measurement on your wrist of the energy you use during your run so you can monitor your effort.

RECOVERY TIME

Find out how long you need to recover before your next high-intensity workout based on your recent 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 offers GPS-based pace guidance for your chosen route or distance, so you can adjust your effort to reach your goal.

TRAINING STATUS

With new metrics like HRV status, recent training history and performance data, get a simple insight into your overall effort and whether you are training productively, peaking or overtraining.

BAKED SLODZE

Review your training history and compare your recent training intensity to your optimal range to improve your fitness.

TRAINING EFFECTIVENESS

See how your workouts affect your endurance, speed and power with aerobic and anaerobic training effects feedback.

STATE OF PERFORMANCE

During your run, get pace and heart rate data to assess your current ability to complete the task in real time.

RUNNING DYNAMICS DATA

When you use the Running Dynamics Pod Running Dynamics Pod sensor or HRM-Pro monitor, the Forerunner 255 smartwatch measures essential running metrics like cadence, stride length, ground contact time and balance, and more, while comparing them to others in Garmin Connect.

MARRUTI

Create or find existing routes in the Garmin Connect app so you’re never short of places to run. Or plan routes on other platforms like Strava and Komoot. Once found, automatically sync them to your Forerunner.

TRACK RUNNING

Are you ready for training? Enter your lane in the built-in Track Run activity to record accurate lap distances and see distances in metres.

VISUAL COMPETITION PREDICTION

Based on your running history and general fitness level, calculate what your pace might be for a 5K, 10K or even a marathon. In addition, trend data highlights the impact of your training over time.

TRAINING IN VARIOUS SPORTS

Refresh your workouts with different sports activities. Free HIIT, endurance, cardio, yoga and Pilates workouts are already loaded on your watch, and you can load more using the Garmin Connect app.

DEEP INSIGHTS INTO YOUR WELLBEING

HEART RATE MONITOR ON THE WRIST

The watch continuously monitors your heart ^rate2 with our latest generation heart rate sensor and will alert you if it is too high or too low at rest. The watch also helps you gauge how hard you’re working during activity – including swimming.

BODY BATTERY™ BODY ENERGY MONITORING

Track your body’s energy levels to find the best time for activity and ^rest2.

SLEEP MEASUREMENTS AND IN-DEPTH SLEEP MONITORING

Get information on your sleep quality and insights on how to improve performance. Track the different phases of sleep as well as heart rate, stress levels, Pulse Ox3 and breathing.

PULSE OX SENSORS

This wrist-mounted pulse ox sensor3 monitors blood oxygen levels for improved sleep monitoring and acclimatisation to altitude.

MONITORING WOMEN’S HEALTH

Use the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise series and diet recommendations, and more. View and record information on your wrist using the Women’s Health Tracking app.

MINUTES OF INTENSITY

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

TRACKING STRESS LEVELS

Find out if you are having a calm, balanced or stressful day. Relaxation reminders will even prompt you to do a short breathing activity when the clock detects that you are feeling anxious.

HEALTH SNAPSHOT™ FUNCTION

Record a 2-minute workout to note key statistics including heart ^rate2, heart rate variability, Pulse ^Ox3, respiration and stress levels. Then create a shareable report from these stats using the Garmin Connect app on your compatible smartphone.

KEEP IN TOUCH EVERY STEP OF THE WAY

MULTIBAND GNSS SUPPORT

Access multiple global navigation satellite systems and gain access to multiple navigation satellite frequencies with improved accuracy in areas where GNSS signals are reflected, weak or usually missed, so you can see how far and how fast you’ve run with exceptional accuracy – even in difficult conditions.

GARMIN PAY CONTACTLESS PAYMENTS

Make payments with Garmin Pay contactless payment ^solution1 supports this option!

SMART MESSAGES

Receive emails, texts and alerts directly on your watch when paired to your Apple® or Android™ smartphone. You can even reply to text messages if you have an Android phone!

SECURITY AND TRACKING FUNCTIONS

If you feel unsafe or your watch detects an accident, the help and accident detection ^functions4 send your location to emergency contacts. The Accident Detection feature is enabled by default only for certain activity profiles.

LIVETRACK FUNCTION

Use LiveTrack to let friends and family know your location in real ^time4 and even see your entire pre-planned route. Go with peace of mind that your loved ones know exactly where you’re running.

GARMIN CONNECT APP

See information about your health and fitness, connect and compete with friends, sign up for challenges to earn badges, and enjoy many other features, all available in one place – the free app without a subscription.

CONNECT IQ™ SHOP

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

¹ See information on countries, payment networks and banks that support the feature.
² Accuracy in monitoring activities.
³ This is not a medical device and is not intended to diagnose or monitor any particular condition; see Garmin.com/ataccuracy. Pulse Ox is not available in all countries.
⁴ When paired with a compatible smartphone. For information on requirements and limitations of safety and tracking features, see Garmin.com/safety.

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