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Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray

4.7 4.7 out of 5 stars 313 ratings

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Slate Gray
46 MM
Non-Music
Smartwatch

Purchase options and add-ons


About this item

  • Built with a slim design and an always-on, full-color display that’s light on the wrist and easy to read even in direct sunlight — with available sizes of 46 mm and 41 mm
  • Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health — from sleep to training
  • Morning report summarizes your sleep, HRV status and daily workout suggestion in one place as soon as you wake up (This device is intended to give an estimate of your activity and metrics)
  • Get ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance
  • View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery
  • HRV status tracks your heart rate variability while you sleep, giving you greater insight into your overall wellness, recovery and training performance (This device is intended to give an estimate of your activity and metrics)
  • Get free adaptive training plans from Garmin Coach for a 5K, 10K and half-marathon, or create your own custom workouts in the Garmin Connect smartphone app
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Important information

Visible screen diagonal

2" / 4 cm

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Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray
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Price-29% $249.99
List:$349.99
-29% $249.99
List:$349.99
-28% $259.99
List:$359.99
$356.99-15% $169.99
List:$199.99
$229.00
Delivery
Get it Apr 1 - 3
Get it as soon as Tuesday, Apr 2
Get it as soon as Friday, Mar 29
Get it as soon as Tuesday, Apr 2
Customer Ratings
Battery life
4.9
4.6
4.6
4.6
4.6
For working out
4.7
4.5
4.6
4.4
4.4
Accuracy
4.6
4.6
4.4
4.0
Sleep tracking
4.5
4.5
4.2
4.1
Mileage
4.5
4.5
4.5
Sold By
Amazon.com
Sports-and-Gadgets
Sports-and-Gadgets
6ave
Amazon.com
COROS Wearables
mounting type
Wrist Mount
Wrist Mount
Wrist Mount
Wrist Mount
Wrist Mount
Wrist Mount
batteries included
battery average life
336.0 hours, 30.0 hours
288 hours
12 days
336.0 hours, 30.0 hours
20 hours
17 days

Product guides and documents

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What's in the box

  • Forerunner 255/255s; Charging/data Cable; documentation
  • Product information

    Warranty & Support

    Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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    Garmin

    Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray


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    From the manufacturer

    Garmin Forerunner 255
    Garmin Forerunner 255
    Garmin Forerunner 255

    Product Description

    Run at a higher level with the Forerunner® 255 smartwatch. These running smartwatches help you train and recover smarter with training status, running power, multi-band GPS and daily suggested workouts that adapt to your performance and goals. Plus, other new features — such as race widget — help you plan your race-day strategy, and morning report with HRV status reveals your overall health alongside the day ahead. And with Garmin Pay™ contactless payments with a supported card, it’s never been easier to buy that post-workout coffee — no matter how you work out — with more than 30 activity profiles, including triathlon, cycling, swimming and more. With Forerunner 255, you can get a continuous picture of your health, from training and recovery to sleep quality and overall wellness — and with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    313 global ratings

    Customers say

    Customers like the accuracy, quality, features, performance, appearance and battery life of the GPS watch. For example, they mention that it's a great device, works well and that it looks great. Customers are also impresseded with the battery life, customization, and ease of use.

    AI-generated from the text of customer reviews

    18 customers mention15 positive3 negative

    Customers like the accuracy of the fitness tracker. They say it's impressive, helpful, and great for keeping track of triathlon workouts. They also appreciate the wrist-based HR tracking and the ability to monitor their average pace during runs. Overall, customers are happy with the product's accuracy and functionality.

    "...I hate wearing watches but love running. This watch has made me a better runner. Gives you great information on everything. Great device." Read more

    "...The suggested workouts from the watch are interesting, I started a training plan for a half marathon using the phone app training coach...." Read more

    "...It's has a bazillion features and is highly accurate. Super easy to use and comfortable to wear...." Read more

    "...isn't as pretty and easy to use as Fitbit but the quality and information is so much better. Also the customization of this watch is insane...." Read more

    8 customers mention8 positive0 negative

    Customers are satisfied with the quality of the GPS navigation system. They mention that it is a great all-purpose watch, and the best value for money.

    "...two months, I can say that I had a great experience and it was worth the investment." Read more

    "Been using 10 months now;This watch is the best value for money sports watch;..." Read more

    "...touch screen, but I get sooo much more, and for the price, the trade off is worth it...." Read more

    "Outstanding product...." Read more

    7 customers mention7 positive0 negative

    Customers like the features of the GPS watch. They say it has all the functions they need, with fast connection to GPS. They also appreciate the app, saying it's great for the most part. Customers also mention that the watch has many different data points, making it perfect for data nerds.

    "...It's has a bazillion features and is highly accurate. Super easy to use and comfortable to wear...." Read more

    "...younger brother to the Forerunner 955, this watch has a lot of really useful features. I’m getting to know how it works, but I like it a lot already." Read more

    "...Easy to use, got all the functions i need with fast connection to gps. happy that i bought it on sale and it is a fine upgrade over my 735xt." Read more

    "...Love just having to concentrate on running. It has so many different data points, that if you are a data nerd you’ll be in heaven...." Read more

    7 customers mention7 positive0 negative

    Customers are satisfied with the performance of the GPS. They mention that it works well, is a great device, and does everything for them.

    "...Gives you great information on everything. Great device." Read more

    "...more features that I have not and may not fully use, but everything I use works very well...." Read more

    "I have used for run and swim and works correctly" Read more

    "...It does everything for you, for stride work it it starts when you need to run and when you do recovery. Love just having to concentrate on running...." Read more

    5 customers mention5 positive0 negative

    Customers like the appearance of the GPS navigation system. For example, they mention it looks great, the gray color is okay, and it's a nice watch.

    "...The gray color is okay but I might end up going with a different band style and color in the future...." Read more

    "...I work in corporate and it also has a professional look, although i would say its not the most flashy, like say the Venu or so" Read more

    "...large size, it feels light enough on the wrist, and I like the looks of it...." Read more

    "...with all the Garmin tools and functionality and on top of it, it looks great." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the battery life of the GPS navigation system. They mention that it has more than the basic features they need.

    "...Great battery life and has even more than the basic features I need." Read more

    "...Also very pleased with the battery life...." Read more

    "Holds a charge much longer than my 245 did and has more features...." Read more

    3 customers mention3 positive0 negative

    Customers like the customization of the navigation system. They say the customization is insane and they love the customizable watch face.

    "...Also the customization of this watch is insane...." Read more

    "...of the displays has been done with an eye to readability and is very customizable. All in all, I am very pleased with this tracker." Read more

    "...I loved the customizable watch face. But those are all bells and whistles...." Read more

    3 customers mention3 positive0 negative

    Customers find the navigation system easy to use. They say it has all the functions they need with fast connection to GPS.

    "...It's has a bazillion features and is highly accurate. Super easy to use and comfortable to wear...." Read more

    "...Easy to use, got all the functions i need with fast connection to gps. happy that i bought it on sale and it is a fine upgrade over my 735xt." Read more

    "...There are a lot of great features that are easy to use." Read more

    This thing is next level!
    5 Stars
    This thing is next level!
    I really am enjoying this watch. I'll start off by saying it I used to have an Apple watch but no longer have an iPhone so I was looking for an alternative. I've used Fitbit and apple watches and feel they are accurate at tracking things like heart rate and GPS. This watch feels the most accurate out of both of those. The Garmin app isn't as pretty and easy to use as Fitbit but the quality and information is so much better. Also the customization of this watch is insane. From multiple backgrounds to the way you can set up what information you want to see during any given workout is awesome. As you can tell by my watch face there is a great amount of information just by looking at the first screen and more if you scroll around. This is the 46mm case size and I really think it's the perfect balance between being able to see the information and not being too bulky. Obviously the tranflective display is not as pleasing as an AMOLED display like and apple watch, galaxy watch, pixel watch, or Garmins own venu or epix watches but it honestly is not that bad. Also I've heard of bad backlight reviews on the Garmin watches where the screen looks washed out and blue when the backlight is on and I think I got a good one. It's almost been two weeks and I'm still at 67% battery life. I have yet to swim with the watch but it feels like good quality and the gps has been accurate on my runs. I was thinking of getting a Fenix 6 since they are much cheaper now but the features and less bulkiness of this Garmin Forerunner 255 sold me. The gray color is okay but I might end up going with a different band style and color in the future. The video taken with the backlight on is with the brightness at 20%. Take your fitness goals to the next level and get this watch!
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    Top reviews from the United States

    Reviewed in the United States on January 17, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on February 25, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Reviewed in the United States on August 17, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    3 people found this helpful
    Report
    Reviewed in the United States on December 16, 2022
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Customer image
    5.0 out of 5 stars This thing is next level!
    Reviewed in the United States on December 16, 2022
    I really am enjoying this watch. I'll start off by saying it I used to have an Apple watch but no longer have an iPhone so I was looking for an alternative. I've used Fitbit and apple watches and feel they are accurate at tracking things like heart rate and GPS. This watch feels the most accurate out of both of those. The Garmin app isn't as pretty and easy to use as Fitbit but the quality and information is so much better. Also the customization of this watch is insane. From multiple backgrounds to the way you can set up what information you want to see during any given workout is awesome. As you can tell by my watch face there is a great amount of information just by looking at the first screen and more if you scroll around. This is the 46mm case size and I really think it's the perfect balance between being able to see the information and not being too bulky. Obviously the tranflective display is not as pleasing as an AMOLED display like and apple watch, galaxy watch, pixel watch, or Garmins own venu or epix watches but it honestly is not that bad. Also I've heard of bad backlight reviews on the Garmin watches where the screen looks washed out and blue when the backlight is on and I think I got a good one. It's almost been two weeks and I'm still at 67% battery life. I have yet to swim with the watch but it feels like good quality and the gps has been accurate on my runs. I was thinking of getting a Fenix 6 since they are much cheaper now but the features and less bulkiness of this Garmin Forerunner 255 sold me. The gray color is okay but I might end up going with a different band style and color in the future. The video taken with the backlight on is with the brightness at 20%. Take your fitness goals to the next level and get this watch!
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    11 people found this helpful
    Report
    Reviewed in the United States on January 28, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on November 2, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Reviewed in the United States on May 3, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    7 people found this helpful
    Report
    Reviewed in the United States on February 14, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Excelente equipamento. Conecta super rapido ao celular e os menus são intuitivos.
    5.0 out of 5 stars Cheio de recursos
    Reviewed in Brazil on September 11, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Produto entregue conforme informado. Valeu. Agora é só desfrute.
    5.0 out of 5 stars Ótima compra
    Reviewed in Brazil on August 28, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    One person found this helpful
    Report
    Jaffet
    5.0 out of 5 stars Excelente reloj
    Reviewed in Mexico on January 25, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Wesley
    5.0 out of 5 stars Duração da Bateria
    Reviewed in Brazil on January 16, 2024
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    Grandmaster-g
    5.0 out of 5 stars son loves it
    Reviewed in Canada on October 13, 2023
    Color: Slate GraySize: 46 MMStyle: Non-MusicPattern Name: SmartwatchVerified Purchase
    2 people found this helpful
    Report