![]() ![]() ![]() Athlete reviewers of Apple Watch, Fitbit, and other wrist-based HR devices have found the pulse rate sensors are not reliable during strenuous exercise. In contrast, fit runners are often looking for the opposite-accurate cues on when to back off to prevent injury and overtraining.Īnd when it comes to accuracy, most trackers skip a beat. Most are built to motivate beginners to go harder and longer-chasing the dubious goal of 10,000 steps a day (about a seven-mile run). And Intel's Basis charts continuous skin temperature and sweat response, though the manufacturer offers little explanation as to why these are important.įor competitive runners, though, many available devices come up short, in design as well as accuracy. ![]() Microsoft Band adds UV exposure to the mix. Apple Watch, which debuted in April, charts all-day heart rate, calories, and motion. Never has there been so much info about personal health. Play icon The triangle icon that indicates to play Fitbit, the device on the most wrists, just raised $732 million in its June public offering. adults wears a wrist tracker, according to a January 2015 report by consumer products analyst NPD Group. Is there such a gadget suited to a highly competitive runner? You'd think so, judging by the public hype around activity trackers. “Thinking about all this lately, I've been like, ‘Wow, I want one.’” It would stack that against my daily resting heart rate so that I could see the trajectory of my rest and recovery time,” she says. “My dream gadget would track actual sleep, not just how much I'm in bed. But I'm starting to think that hard numbers would be better,” says Metivier Baillie, who posted a 2:34 race just before Christmas last year. “I already write down my daily sleep quality and my own sense of how I'm feeling the day after a workout. The marathoner, who ran 2:27 at Chicago in 2012, had a run-in with overtraining a few years back and now thinks a little data on her wrist would be useful. Renee Metivier Baillie, 33, is closer than ever to adopting some kind of activity tracking “gadget,” but she finds the options bewildering. ![]()
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