Update 9/25/17: Fitbit Ionic will officially go on sale Oct. 1.

My first few hours with Fitbit Ionic were horrid. Mind you, it wasn’t the device I had a problem with, but rather what I was doing with it.

Before I received my review unit, Fitbit demanded that I test it first. Fair enough. What I didn’t know was that they really wanted to show off Ionic’s fitness capabilities. I did a mini boot camp with celebrity trainer Harley Pasternak, and a grueling bike ride with Tour de France veteran Jens Voigt. I opted out of the 8-mile run with ultra marathoner Dean Karnazes, but my legs hurt just thinking about it.

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