Garmin

I tested the Apple Watch Ultra 3 and Garmin Venu 4 on a 7km run, vs a chest-worn heart rate monitor

· By Endurance Wire

Get full access to premium articles, exclusive features and a growing list of member rewards. Having just strapped on the Garmin Venu 4 at time of writing, it's already shaping up to be a terrific watch. Its 45mm model is light for its size, it's bright, and I look forward to testing it over the next 10 days. As part of my review process, I'm testing its heart rate sensor's accuracy against an industry-standard Polar H10 Bluetooth heart rate monitor, along with using the very accurate Apple Watch Ultra 3 as a 'control' watch during the experiment.

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