






🏃♂️ Elevate your run, own your day — Garmin Forerunner 255 keeps you ahead of the pack!
The Garmin Forerunner 255 is a sleek, lightweight GPS running smartwatch featuring a sunlight-readable color display, up to 14 days of battery life in smartwatch mode, and 30 hours in GPS mode. It offers advanced training tools including adaptive daily workouts, race time predictions, and detailed health metrics like HRV and sleep tracking. Designed for serious runners and fitness enthusiasts, it supports multisport profiles and integrates with external sensors for enhanced running dynamics and power measurement.



| Color | Slate Gray |
| Band Color | Slate Gray |
| Style Name | Non-Music |
| Item Shape | Heart |
| Compatible Devices | Smartphone |
| Display Type | Sunlight-visible, Transflective Memory-in-Pixel (MIP) |
| Screen Size | 1.3 Inches |
| Battery Average Life | 336.0, 30.0 Hours |
| Battery Cell Type | Lithium Ion |
| Item Dimensions | 1.8 x 1.8 x 0.5 inches |
| Item Weight | 1.7 Ounces |
| Band Width | 22 Millimeters |
| Warranty Type | Limited |
| Communication Feature | GPS, NFC |
| Wireless Compability | Bluetooth |
| Wireless Provider | du |
| Connectivity Technology | Bluetooth, USB |
| Human-Interface Input | Buttons |
| Supported Application | GPS |
| Controller Type | Touchscreen, other |
| Metrics Measured | Optical Heart Rate, Accelerometer |
| Case Material Type | Resin |
| Water Resistance Level | Water Resistant |
| Sport Type | Training, Track & Field, Exercise & Fitness, Running, Outdoor Lifestyle |
| Closure Type | Buckle |
| Additional Features | Morning Report; HRV Status; Built-In Sports Apps; Race Adaptive Training Plans; Daily Suggested Workouts; Triathlon and Multisport Profiles; Wrist-Based Running Dynamics; Wrist-Based Running Power, Recovery Time; PacePro™ Feature; Grade-Adjusted Pace; Wrist-Based Heart Rate; Body Battery™ Energy Monitoring; Improved Sleep Monitoring and Sleep Score; Pulse Ox Sensor |
| GPS Geotagging Functionality | GPS Enabled |
| Band Material Type | silicone |
B**H
Great watch!
This watch does everything we need! Love the fitness tracking capabilities and it has a long battery life as well. It has a good size Watch face but is still fairly light weight. My husband somehow lost his in the yard and ran it over with the lawn mower… we immediately bought another one.. that’s how much he liked it !
S**R
Quality, precise, durable, excellent
Perfect. Everything an amateur runner needs and even more
M**A
Get this watch
I’ve been using the Garmin Forerunner 255 for a few months now, and I’m genuinely impressed. It strikes a great balance between advanced performance features and everyday usability. The GPS accuracy is top-notch, thanks to the dual-frequency support, and I’ve had no issues with tracking even in areas with spotty reception like wooded trails or city streets.Battery life is a huge plus—it easily lasts close to two weeks in smartwatch mode and over a day with continuous GPS. The design is lightweight and comfortable for all-day wear, including during sleep tracking, and the five-button interface is simple and responsive (though I do sometimes miss having a touchscreen).Training features are where this watch really shines. It supports multiple sports modes, heart rate variability, stress tracking, and Garmin’s “Body Battery” to gauge overall energy levels. The race predictor, morning report, and recovery time estimates are surprisingly useful. Sleep tracking is detailed and generally accurate, and syncing with the Garmin Connect app is smooth.My only minor complaint is that you need the Music version if you want onboard music storage; otherwise, you're just controlling your phone’s playback. Also, no touchscreen might be a con for some, but the physical buttons work great in sweaty or wet conditions.
Y**I
Good quality and fast shipping
I bought this several days ago and I am very satisfied! Firstly, the shipping was great. It only took 1 day! Thanks for Amazon. Secondly, Garmin watch is good. You can see a lots of data from the watch as well as the app on the phone. I feel I can monitor my body from the data easily from now on. The battery is good as well, I charged once in the 1st day. After 1 week, I still have more than 6 days remaining. Perfect!
K**L
Holds up great
This watch has been awesome. It has gone through many mud obstacle courses and still running great. It syncs well and the battery life has been great. Even running for 24 hours on it. The features are well loved as well.
W**R
Great Watch Overall With Some Minor Issues
I really like this watch a lot, however, it is less than accurate in certain areas, but mostly accurate in the majority of cases. It’s also a really comfortable watch that I wear every night without it affecting my sleep.The biggest areas that this watch is not so accurate with are how many floors you have climbed while going up stares, and certain sleep metrics for sleep tracking. When climbing up flights of stairs, you need to move your wrist in a swinging motion. If you are holding something in your hands while climbing up flights of stairs, the watch might not count those floors accurately.When it comes to sleep tracking, sometimes it can be very spot on while other times it could be really off (most of the time it is accurate, though). I’m not sure if this has to do with the watch not being tight enough on my wrist and maybe slipping during the night. One area of sleep tracking that’s typically inaccurate, however, is recording naps that you take during the day. For some reason, this watch does not track a lot of the naps I have taken during the daytime (even though it’s supposed to). It will track maybe 1/3 of them. It’s really not that big of a deal though because I don’t take very many naps during the day.Even with those couple of shortcomings, this watch does offer a large amount of different metrics that track accurately and it’s definitely worth it for the price.
S**H
Stylish and functioning
I have been a fan of Garmin for many years. This one is perfect for runners. Accurate information is provided every use.
H**R
Great sports watch
I use this watch for road biking. It was easy to setup and use. Much easier to start an activity than my old Garmin watch. It reads easy enough while riding.
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