Garmin Forerunner 255 vs. Coros Pace 2: Which should you buy?

The Coros Pace 2 is one of our favorite running watches for its lightweight design and battery life. The Garmin Forerunner 255 replaced our former number-one runner's watch with improved battery life and software, along with other new perks. Neither will let you down, but we'll help you decide which is the better of two great options.