FORERUNNER 255
Monitor your health through sleep data, heart rate variability (HRV) and daily workout tips, all in one morning report screen.
Charge your device less frequently with 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.
Push your running goals further with the triathlon sport profile or choose from over 30 different activities.
Plan your training strategy with daily tips, route details and more on the race widget.
Know your strengths and weaknesses through metrics analysis and train more effectively to reach your goals.
Pay for your post-workout coffee or sports drink with the Garmin Pay ™ contactless payment system built into the watch.
MORNING REPORT
You can see an overview of your sleep, along with heart rate variability and weather conditions. You can also customize the report to show only what you want to see.
HRV STATUS
Gain deeper insights into your health, recovery and training performance through FirstBeat Analytics™ technology that measures heart rate variability during sleep.
PRELOADED SPORT PROFILES
Choose from more than 30 built-in activities, including triathlon and open water swim profiles, both new to the Forerunner 255 series. For combined racing and training, transition to the next activity with the press of a button.
SUGGESTED DAILY WORKOUTS
View a full week of recommended daily workouts, which adapt after each run based on your performance and recovery, as well as upcoming races in the Garmin Connect™ smartphone app calendar.
GARMIN COACH
Train for a race, reach a finish line or improve your fitness with Garmin Coach training plans for runners. Simply set up Garmin Coach in the Garmin Connect™ app to get your personalized daily training that helps you reach your goals, from your first 5k all the way to a marathon. It also includes Garmin Run Coach, plans that adapt based on your performance, recovery and conditioning metrics.
TRIATHLON AND MULTISPORT PROFILES
Switch between sports automatically using built-in profiles for triathlon, duathlon, combined workouts and swimrun, so you can focus on racing while your watch takes care of recording splits. You can also create your own custom multisport profiles.
RUNNING DYNAMICS ON YOUR WRIST
This smartwatch measures running metrics including cadence, stride length, ground contact time and more.
RUNNING POWER AT YOUR WRIST
See how much power you're applying on the trail or road so you can manage your effort and optimize your workout. No accessories needed.
RECOVERY TIME
Find out how much time you will need to recover before your next high-intensity workout, the prediction is based on your recent workouts as well as your overall stress, sleep, and daily activities outside of workouts.
PacePro™ FEATURE
To help you plan your race day strategy, this feature provides guidance on what pace to take based on your selected route or distance, so you can time your effort and aim to finish within your target time.
AVERAGE STEP ADJUSTED ON SLOPE
Don't run out of steam before your activity is over. After you've set up your data fields in your running activity, see how to adjust your pace on different terrains to get the performance you expect.
TRAINING STATUS
Using new indicators like heart rate variability status, your training history and your recent performance, you’ll get detailed information about your overall effort and know if your workout is productive, not intense or too hard.
ACUTE LOAD
View your workout history and compare the intensity of your recent exercises to the optimal range for improving your fitness.
TRAINING EFFECT
See how your workouts impact your endurance, speed and power with the training effect feature split between aerobic and anaerobic activity.
PERFORMANCE CONDITION
While running, you can get a pace and heart rate analysis for a real-time assessment of your performance.
ROUTES
Create or find existing routes in the Garmin Connect app, so you 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.
TRACK RUNNING
Accurately record lap distances, even on a track you've never been on before with a database of more than 10,000 tracks (400 meters) worldwide.
RACE PREDICTOR
Based on your running history and overall fitness level, get a predicted pace for 5K, 10K, or even marathon runs. Plus, trend graphs highlight the impact of your training over time.
CROSS TRAINING
Combine your training with different types of exercises; HIIT, strength, cardio, yoga and Pilates profiles are already preloaded on the device, and you can download more from the Garmin Connect app.
TARGETED ADAPTIVE COACHING
View your entire week of daily cycling workout suggestions in the Garmin Connect™ smartphone app calendar. They adapt to your performance and upcoming race requirements.
WRIST HEART RATE
The smartwatch constantly records your heart rate2 with our latest-generation sensor and will warn you if your heart rate remains too high or too low while you are at rest. It also allows you to measure the intensity of your activities, even while swimming.
BODY BATTERY™
Monitor Energy Levels Optimize your body’s energy reserves by taking into account heart rate variability, stress, sleep and other data to know when you’re ready to be active or when you need to rest.
SLEEP COACH
A personalized coach that tells you your sleep needs and how you can improve. Use these insights to find the right balance between challenging activities and your body's natural recovery process2.
Nap detection
Automatically track or log your daytime naps to discover the benefits they bring to your body and understand what the ideal times and lengths should be.
PULSE OX SENSOR
The pulse ox3 sensor monitors your blood oxygen saturation levels for advanced sleep analysis and altitude acclimation data.
Women's Health Monitoring
Use the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise and nutrition tips right on your wrist.
MINUTES OF INTENSITY
It shows when you accumulated intense activity minutes and at what time during the day.
STRESS DETECTION
Find out if 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™ FEATURE
With a 2-minute session, you can record key stats, such as heart rate2 and heart rate variation, Pulse Ox3, respiration and stress. Then you get a report with key stats that you can share via the Garmin Connect™ app on your compatible smartphone.
Stay connected at all times
SATIQ™ TECHNOLOGY
Multi-band GNSS with SatIQ technology ensures the best location accuracy in any environment, while optimizing device battery life.
CONTACTLESS PAYMENTS WITH GARMIN PAY
Make your payments safe, easy and fast with the contactless solution1 Garmin Pay only through authorized providers.
SMART NOTIFICATION
Receive emails, texts and push alerts right on your watch when paired with your Apple® or Android™ smartphone. You can also respond to messages if you have an Android phone.
DETECTION AND SECURITY FUNCTIONS
If you feel unsafe or your watch detects that you’ve taken a fall, assistance and incident detection features4 send your location to emergency contacts. Incident detection is only enabled for select activity profiles.
LIVETRACK FUNCTION
Use LiveTrack to let friends and family follow your location in real time4 and view your entire pre-planned route. Make sure your loved ones know exactly where you're running.
GARMIN CONNECT APP
View information about your health and fitness, connect and compete with friends, and sign up for challenges to earn badges.
CONNECT IQ™ STORE
Download custom watch faces, add data fields, and get apps and widgets from Connect the IQ Store app downloaded to your compatible smartphone.
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