Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

exersize

  1. 2

    Apple Watch Ultra - Heart Rate during runs does not work - spikes and stays high

    I bought the Apple Watch ultra for fitness and specifically running. The heart rate during rest appears to be fine. However, every time I go for a run it will spike to say 170 and stay there for the duration of the run. I tried unpairing, resetting, making sure settings were correct, and the...