I rate the Garmin Forerunner 970 and Coros Pace 4 as the two best running watches on the market — the Forerunner 970 is top overall, and the Pace 4 offers the most value — and I’ve been using both for the past few months while training for the London Marathon.Before London comes around, however, I have some shorter races to tackle, including the Hoka Semi de Paris, which I ran at the weekend, clocking a new PR of 1:09:30.I wore the Pace 4 and the Forerunner 970 for the race to test out their GPS and heart rate accuracy, along with how on the money the watches were with their race predictions. Here’s what happened.
