Product highlights:
- Up to 12 days of battery life in smartwatch mode
- Up to 26 hours battery in GPS mode
- Sleek design and 1.4 oz weight
- Features easy-to-use buttons and a silicone band
- Tap into 30+ built-in activities
- Pulse Ox sensor monitors blood oxygen saturation levels
- Receive emails, texts, and alerts right on your watch
- Assistance and incident detection for safety
Garmin Forerunner 255S Running Watch (Powder Gray)
You’re making strides. Now, let’s take the next step. Get the training and recovery insights through Garmin Forerunner 255S Running Watch you’ll need to notch your best time yet.
Ready For The Long Run
Get 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.
As Light As a Feather
With its sleek design and 1.4 oz weight, you’ll almost forget you’re wearing Forerunner 255S even when you’re asleep.
Sweat-Ready Materials
Featuring easy-to-use buttons and a silicone band, this watch is ready to wear and tear with durable Corning Gorilla Glass 3.
Morning Report
Receive an overview of your sleep, recovery, and training outlook as soon as you wake up alongside HRV status and weather. You can even customize your report to show you what you want to see.
HRV Status
Gain 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 Apps
Tap into 30+ built-in activities, including the triathlon and open-water swimming profiles new to the Forerunner 255 series. For races and brick workouts, transition to the next activity with a single button press.
Race Widget
Get ready for your next race with training tips, personalized daily suggested workouts, and completion time predictions based on course details, weather, and performance.
Daily Suggested Workouts
View 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 Coach
Free adaptive training plans include 5K, 10K, and half-marathon programs, featuring guidance from expert coaches that adapt to you and your goals.
Triathlon and Multisport Profiles
Switch between sports with one press by using built-in profiles for triathlons, duathlons, brick workouts, and swim runs. Or, create your own custom multisport profiles.
Running Power
When using a Running Dynamics Pod or HRM-Pro 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 Time
Know 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 Feature
To 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 Status
Using new indicators such as HRV status, your recent exercise history, and performance, get easy insight into your overall effort and whether you’re training productively, peaking, or strained.
Acute Load
See your training history, and compare the intensity of your recent workouts to the optimal range to help improve your fitness.
Training Effect
See how your workouts influence your endurance, speed, and power with aerobic and anaerobic training effect feedback.
Performance Condition
While you run, get an analysis of your pace and heart rate for a real-time assessment of your current ability to perform.
Running Dynamics
When using a Running Dynamics Pod or HRM-Pro monitor, the Forerunner 255S watch measures crucial running metrics such as cadence, stride length, ground contact time and balance, and more compared to others in the Garmin Connect app.
Courses
Create 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 Running
Ready for some speedwork? Input your lane on the built-in track run activity to record accurate lap distances and see your distances in meters.
Visual Race Predictor
Based 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-Training
Mix 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.
Wrist-Based Heart Rate
The 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 Monitoring
Track your body’s energy levels so you can find the best times for activity and rest.
Improved Sleep Monitoring and Sleep Score
Understand how your body is recovering and get ready for training with our improved sleep monitoring feature. After waking up, you’ll receive a sleep score, as well as breakdown of your sleep stages, Pulse Ox3, and respiration, alongside detailed insights for improved sleep quality.
Pulse Ox Sensor
This wrist-based Pulse Ox sensor monitors blood oxygen saturation levels to support advanced sleep monitoring and altitude acclimation.
Women’s Health Tracking
Use 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 Minutes
The intensity minutes feature tells you when during the day you earned them and during what activity.
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