Smartwatch Digital Touchscreen 4.62 cm (1.82") AMOLED
408 x 480 pixels
Water resistance: 5 ATM
Heart rate monitor Accelerometer Gyroscope
GPS (satellite)
Garmin Forerunner 255 Music, 3.3 cm (1.3"), MIP, Touchscreen, 2 GB, GPS (satellite), 49 gGarmin Forerunner 255 Music. Display diagonal: 3.3 cm (1.3"), Display technology: MIP, Display resolution: 260 x 260 pixels, Touchscreen. Flash memory: 2 GB. Wi-Fi. GPS (satellite). Weight: 49 g. Band material: Silicone, Band colour: White, Band size: One SizeTune your trainingAdd a beat to your step. Get the training and recovery insights you need to run at a higher level — plus music to motivate you along the way.RUN AT A HIGHER LEVELYou're making strides. Now, let's take the next step. Get the training and recovery insights you'll need to notch your best time yet.READY FOR THE LONG RUNGet an uninterrupted picture of your daily health and nightly sleep with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.(ALMOST) AS LIGHT AS A FEATHERWith its sleek design and 39g weight, you'll almost forget you're wearing a Forerunner® 255S running smartwatch — even when you're asleep.SWEAT-READY MATERIALSFeaturing easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning® Gorilla® Glass 3.Light on the wrist. Not on features.MORNING REPORTReceive an overview of your sleep, recovery and training outlook as soon as you wake up — alongside HRV status and weather. You can even customise your report to show you what you want to see.HRV STATUSGain a deeper understanding of your overall health, recovery and training performance through heart rate variability while you sleep, based on technology developed by our Firstbeat Analytics™ team.BUILT-IN SPORTS APPSTap into 30+ built-in activities, including the triathlon and open-water swimming profiles — new to the Forerunner 255 running watch series. For races and brick workouts, transition to the next activity with a single button press.RACE WIDGETGet ready for your next race with training tips, personalised daily suggested workouts and completion time predictions based on course details, weather and performance.DAILY SUGGESTED WORKOUTSView your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect™ smartphone app calendar.GARMIN COACHFree adaptive training plans include 5K, 10K and half-marathon programmes, featuring guidance from expert coaches that adapt to you and your goals.TRIATHLON AND MULTISPORT PROFILESSwitch between sports with one press by using built-in profiles for triathlons, duathlons, brick workouts and swimruns. Or, create your own custom multisport profiles.RUNNING POWERWhen using a Running Dynamics Pod or HRM-Pro™ heart rate monitor, get a continuous measurement on your wrist of how much power you're applying to the road as you run, so you can manage your effort.RECOVERY TIMEKnow how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.PACEPRO™ FEATURETo help you plan your race day strategy, this feature offers GPS-based pace guidance for a selected course or distance, so you can tailor your efforts to what's ahead.TRAINING STATUSUsing new indicators such as HRV status, your recent exercise history and performance, get an easy insight into your overall effort — and whether you're training productively, peaking or strained.ACUTE LOADSee your training history, and compare the intensity of your recent workouts to the optimal range to help improve your fitness.TRAINING EFFECTSee how your workouts influence your endurance, speed and power with aerobic and anaerobic training effect feedback.PERFORMANCE CONDITIONWhile you run, get an analysis of your pace and heart rate for a real-time assessment of your current ability to perform.RUNNING DYNAMICSWhen using a Running Dynamics Pod or HRM-Pro heart rate monitor, the Forerunner 255S running watch measures crucial running metrics such as cadence, stride length, ground contact time and balance, and more — while comparing to others in the Garmin Connect app.COURSESCreate or find existing courses in the Garmin Connect app, so you'll never run out of places to run. Or plan one on other platforms such as Strava and Komoot, then automatically sync them to your Forerunner.TRACK RUNNINGReady for some speedwork? Input your lane on the built-in track run activity to record accurate lap distances and see your distances in metres.VISUAL RACE PREDICTORBased on your running history and overall fitness level, get an estimate of what your pace could be for a 5K, 10K — or even a marathon. Plus, trend data highlights your training's impact over time.CROSS-TRAININGMix up your training with different types of workouts. Free HIIT, strength, cardio, yoga and Pilates workouts come preloaded on the watch, and you can download more from the Garmin Connect app.A depth of wellness insights.WRIST-BASED HEART RATEThe watch constantly samples your heart rate with our latest-generation heart rate sensor and will alert you if it stays too high or too low while you're at rest. It also helps gauge how hard you work during activities — even while swimming.BODY BATTERY™ ENERGY MONITORINGTrack your body's energy levels so you can find the best times for activity and rest.SLEEP SCORE AND ADVANCED SLEEP MONITORINGGet a score for your sleep's quality and insights on how you can do better. Even keep track of the different sleep stages as well as heart rate, stress, Pulse Ox3 and respiration.PULSE OX SENSORThis wrist-based pulse ox sensor monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.WOMEN'S HEALTH TRACKINGUse the Garmin Connect app to track your menstrual cycle or pregnancy. Log symptoms, get exercise and nutrition education, and more. Even see and log details on your wrist with the Women's Health Tracking app.INTENSITY MINUTESOur intensity minutes feature tells you when during the day you earned them and during what activity.STRESS TRACKINGFind out if you're having a calm, balanced or stressful day. Relax reminders will even prompt you to do a short breathing activity when the watch detects that you're feeling stressed.HEALTH SNAPSHOT™ FEATURELog a 2-minute session to record key stats, including heart rate, heart rate variability, Pulse Ox3, respiration and stress. Then generate a report with those stats to share via the Garmin Connect app on your compatible smartphone.Stay connected at every step.MULTI-BAND GNSS SUPPORTAccess multiple global navigation satellite systems, and get access to multiple frequencies sent by navigation satellites for improved accuracy in areas where GNSS signals are reflected, weak or typically don't penetrate — giving you superior accuracy for how far and how fast you've run — even in challenging environments.GARMIN PAY CONTACTLESS PAYMENTSBreeze through checkout lines with Garmin Pay contactless payments through participating providers.SMART NOTIFICATIONSReceive emails, texts and alerts right on your watch when paired with your Apple® or Android™ smartphone. You can even respond to texts if you have an Android phone.SAFETY AND TRACKING FEATURESIf you feel unsafe or if your watch senses that an incident occurred, the Assistance and incident detection features send your location to emergency contacts. Incident detection is enabled by default for select activity profiles only.LIVETRACK FEATUREUse LiveTrack to let friends and family follow your real-time location and even view your entire pre-planned course. Rest assured that your loved ones know exactly where you're running.GARMIN CONNECT APPSee your health and fitness information, connect and compete with friends, sign up for challenges to earn badges and more — all in one free, zero-subscription app.CONNECT IQ™ STOREDownload custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store app downloaded on your compatible smartphone.