Battery life is usually measured in days or weeks with the best sports watches, so the news that the Apple Watch Ultra 3 had six more hours of juice didn’t initially sound that impressive to me.

This fall I committed to running three half marathon races across November and December. Each race is a chance to test the Apple Watch Series 5 in a different configuration to better understand how ...

I ran three half marathons in November and December with the Apple Watch Series 5. Each 13.1-mile race was an opportunity to test how different modes affected both battery life and the running ...