Garmin runner iron plate model “Forerunner 255” review

The latest GPS running watch “Forerunner 255” series has arrived from Garmin, which handles a large number of products that support a wide range of users, from people who enjoy sports and outdoor activities to athletes and professionals. In addition to the functions that support running, the functions related to health management have been updated, making it a perfect model for runners as well as those who want to spend healthy days.
Name changed from popular model. 4 models lineup
Garmin’s GPS running watch originally includes the “ForeAthlete” series, which has a variety of models for beginners and intermediates, and is the “wearable terminal / smartwatch” of It was highly evaluated, such as being ranked high in the attention and popularity rankings.

However, Garmin changed the name that has been used for a long time in this series to “Forerunner”. This series, which has changed its mind and has a new name, is equipped with functions specializing in supporting runner training such as beginners, veteran runners, road running and trail running. In addition to the standard model, the lineup includes a compact and lightweight “S size model” that is easy for female runners to use, and a “Music model” equipped with a music playback function.

As for the basic functions, there is no difference between all models, but the S size model has a slightly shorter battery life. This time, I reviewed “Forerunner 255 Music” which has a music playback function.
The “Forerunner 255 Music” equipped with a music playback function is easy to handle, weighing about 49g, and is equipped with a 1.3-inch liquid crystal display. When used in sports scenes, the visibility of numbers is a very important factor. As the display size becomes smaller, the displayed numerical values ​​inevitably become smaller, but this model is characterized by its high visibility such as numerical values ​​due to the size of the display, and its light weight.
Also, the trade-off between weight and battery life is the battery life. This model achieves a long drive while achieving a weight of less than 50g. It can be driven for about 14 days in “smart watch mode” and for about 30 hours in “GPS mode” that constantly drives heart rate measurement and GPS. When I actually used it for about 24 hours and trained for 1 hour in “GPS mode” during that time, the battery consumption was about 6%.

Garmin’s smartwatch, which handles GPS devices, has a reputation for high accuracy of location information. This unit is equipped with a “GNSS multi-band” that captures multiple satellite signals, providing more accurate position information than the previous series.

Accurate pace and mileage can be measured both when running between tall buildings and when running in valleys such as trail running. However, the battery drive time is about 30 hours in the normal “GPS mode”, but it is a little shorter to 25 hours in the “multi-GNSS mode” that measures more accurate location information. However, if it can be driven for 25 hours, it can be used for most races that citizen athletes can challenge, such as ultramarathons and long-distance triathlons.

Explaining the newly installed “Morning Report” function
In addition to basic functions related to exercise and health management such as heart rate, blood oxygen concentration, sleep tracking, and respiratory rate, the user is regarded as a battery and the amount of battery remaining in the body is quantified. The Garmin smartwatches up until now, such as the “body battery function,” are equipped with a variety of functions, which are inherited by this unit.

In addition to these functions, this unit is equipped with a new function called “Morning Report”. This feature gives you health and training data when you wake up, such as last night’s sleep quality, recommended workouts to do today, body battery, and weekly exercise. It will deliver the necessary information as a morning report every day when you wake up, without having to check the data yourself.
When I actually tried “Today’s Recommendations”, there was a part that was quite close to my feelings. If you feel like you have a good rest, it will offer you a slightly tighter menu, and if you have a short sleep or if you have trained well the day before, recommend a lighter menu or rest. increase.
Try out the runner features of Forerunner 255
This machine is a smart watch specialized for running, so I actually tried using it for running. The visibility of the numerical values ​​is high even while running, and the functionality for running, such as the degree of freedom in setting the displayed numerical values ​​such as heart rate, pace, and mileage, is perfect. This is truly Garmin.

The most surprising thing about using it is the speed of GPS acquisition when “running mode” is activated. I was not particularly dissatisfied with the capture speed even with the conventional model, but I have the impression that the position can be captured in a few seconds and running can be performed immediately.
Garmin has been praised for its ability to accurately measure all kinds of training and physical data, but to be honest, I think many users have fallen asleep without using the collected data. I think that the author himself, who works on running, biking, and triathlon, was also a good candidate, but I don’t think he was able to master everything.
However, “Forerunner 255” is equipped with a function to firmly deliver data on the user’s health and sports to the user in the form of “morning report”, and not only manages and analyzes the data, but also the user can use these data. I think it is a big evolution to provide users with what they can get, what they should do, and how to utilize the data.

In addition to the functions reviewed this time, this unit has functions that are easy to use on a daily basis, such as a music playback function and support for Mobile Suica.

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