Garmin

I ran a half marathon with the Apple Watch Ultra 3 vs Garmin Forerunner 970 to test the GPS and heart rate accuracy — here’s the winner

· By Endurance Wire

Here at Tom’s Guide our expert editors are committed to bringing you the best news, reviews and guides to help you stay informed and ahead of the curve! Get full access to premium articles, exclusive features and a growing list of member rewards. I wore both watches to run the Surrey Half Marathon at the weekend, testing their GPS against each other and their heart rate tracking against a chest strap, which I paired to a Coros Pace 4 watch in my pocket.

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