Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.
Nothing feels more satisfying than turning your tracker off after a run and appreciating the miles logged on the screen. But how do you decide how many miles to run in the first place? There’s ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nothing feels more satisfying than turning your tracker off after a run and appreciating the miles logged ...
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