TomTom Runner Cardio review: it’s all in the wrist

The TomTom Runner Cardio came to me at exactly the wrong time. You see, I usually run around four times a week, with a race frequently thrown into the mix. A combination of overseas travel and a chest infection (brought on by said overseas travel) meant that’s how many times in total I was able to run during the review period.

Still, I put it through its paces as best I could and, for the most part, the future looks pretty bright for performance wearables.

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