Garmin Forerunner 255 Smartwatch, Slate Gray YOU'RE READY FOR LONG RUNS Get an uninterrupted overview of your health during the day and your sleep at night with up to 14 days of battery life in Smart Watch mode and up to 30 hours in GPS mode. (ALMOST) AS EASY AS A PANAD Thanks to its elegant design and 49g weight, you'll almost forget you're wearing a Forerunner® 255, even when you're sleeping. BREATHABLE MATERIALS Featuring easy-to-use buttons and a silicone strap, this watch is ready to be worn and worn, with durable Corning® Gorilla® Glass 3 lens. MORNING REPORT Get an overview of your sleep as soon as you wake up, plus HRV status and weather. You can even customize the report to show you what you want to see. HRV STATUS Better understand your health, recovery and performance during training through heart rate variability while you sleep, based on the technology developed by our Firstbeat Analytics™ team. INTEGRATED SPORTS APPS Discover over 30 built-in activities, including triathlon and open water swimming profiles, all new to the Forerunner 255 series. For combined races and workouts, transition to the next activity with a single press of a button. DAILY SUGGESTED EXERCISE See daily suggested exercises for the whole week, which are adapted after each run to match your level of performance and recovery, as well as upcoming races in the calendar of the Garmin Connect™ smartphone application. GARMIN COACH Free Adaptive Plans Training plans include programs for 5km, 10km and half marathon races, provide guidance from expert coaches that adapt to your needs and goals. TRIATHLON AND MULTISPORT PROFILES Switch between sports with a single tap, using the integrated profiles for triathlon, duathlon, combined training and swimrun activities. Or create your own personalized multisport profiles. RUNNING POWER FOR THE WRIST See how much power you apply on the trail or road to manage your effort and adjust your training. No accessory required. RECOVERY TIME Find out how much recovery time you need before your next hard workout, based on your most recent workout, as well as your general stress level, sleep quality, and daily activities outside of training. PACEPRO™ FUNCTION To help you plan your race day strategy, this feature provides GPS-based instructions for a selected course or distance so you can adapt your efforts to what lies ahead. ADJUSTED PACE FOR PANTEN Don't get tired before finishing the activity. After setting up the data fields for your running activity, understand how to adjust your pace based on the terrain to go according to plan. TRAINING STATUS With the help of new parameters, such as HRV status, recent running history and performance, you easily get an overview of your overall effort and if you are training productively, are you at peak level or have you strained. IMMEDIATE REQUEST LEVEL Check your training history and compare the intensity of recent exercises with the optimal interval to improve your physical condition. TRAINING EFFECT Find out how exercise affects endurance, speed and power with aerobic and anaerobic training effect feedback. PERFORMANCE LEVEL While you run, you receive an analysis of your pace and pulse for a real-time assessment of your ability to evolve. RUNNING DYNAMICS When using a Running Dynamics Pod or HRM-Pro monitor, the Forerunner 255 watch measures essential running parameters such as cadence, stride length, ground contact time and balance and more while comparing them to others in the Garmin Connect app . ROUTES Create or find existing routes in the Garmin Connect application, so you never run out of places to run. Or plan one on other platforms, like Strava and Komoot, then sync it automatically with Forerunner. TRACK RUNNING Ready for a speed workout? Insert the lane into the built-in track running activity to record accurate lap distances and see distances in meters. VISUAL RACE PREDICTOR Based on your running history and your general fitness level, you get an estimate of what pace you might have for a 5 km, 10 km or even a marathon race. Plus, trend data highlights the impact of your workouts over time. CROSS TRAINING Combine training with different types of exercises. The free HIIT, strength, cardio, yoga and Pilates exercises are preloaded on the watch and you can download many more from the Garmin Connect application. PULSE MEASURED AT THE WRIST The watch constantly measures your pulse with our latest generation sensor and will alert you if it is maintained at too high or too low values while you are resting. It also helps you estimate the intensity of the effort made during the activities, even while swimming. BODY BATTERY™ ENERGY RESERVE MONITORING Monitors your body's energy levels, so you can determine the best times for activity and rest. IMPROVED SLEEP MONITORING AND SLEEP SCORE Understand your body's recovery mechanism and prepare for workouts with improved sleep monitoring. After you wake up, you will receive your sleep score, as well as detailing your sleep stages, Pulse Ox3 and breathing data, plus detailed information to improve your sleep quality. PULSE OX SENSOR This pulse ox3 wrist sensor monitors blood oxygen levels to support advanced sleep monitoring and altitude acclimatization. MENSTRUAL MONITORING Use the Garmin Connect application to monitor your menstrual cycle or pregnancy. Record symptoms, download exercises and educational advice on nutrition and much more. You can even see and record details on your wrist with the women's health monitoring app. INTENSITY MINUTES Our feature Minutes of intense activity tells you the moment during the day when you gained minutes of intense activity and during which activity. STRESS MONITORING Find out if you have a calm, balanced or stressful day. The relaxation reminders will even ask you to do a short breathing activity when you feel stressed. HEALTH SNAPSHOT™ FUNCTION Record a 2-minute session to benefit from key statistics, including pulse2, pulse variability, Pulse Ox3, respiratory rate and stress level. It then generates a report with these statistics to share through the Garmin Connect app on your compatible smartphone. SATIQ™ TECHNOLOGY Multi-band GNSS with SatIQ technology ensures the best positioning accuracy in any environment while also optimizing battery life. CONTACTLESS PAYMENTS WITH GARMIN PAY™ Avoid queues at home with the Garmin Pay solution for contactless payments available through participating providers. SMART NOTIFICATIONS Receive emails, text messages and alerts directly on your watch when paired with an Apple® or Android™ smartphone. You can even reply to text messages, if you have an Android phone. SAFETY AND MONITORING FUNCTIONS If you feel that you are not safe or if the watch detects that an accident has occurred, the assistance and incident detection functions communicate your location to emergency contacts. Incident detection is enabled by default only for certain activity profiles. LIVETRACK FUNCTION Use LiveTrack to allow friends and family to track your location in real time4 and even see your entire pre-planned route. You can be sure that your loved ones know exactly where you are running. GARMIN CONNECT APP Consult health and fitness information, connect with friends and compete with them, participate in challenges to win badges and much more, all in one free application with no subscription. CONNECT IQ™ STORE Download custom watch faces, add data fields and get apps and widgets from the Connect IQ Store app downloaded to a compatible smartphone.