New to Apple watch (calibration)

Discussion in 'Apple Watch' started by Teddysjam, Sep 15, 2016.

  1. Teddysjam macrumors regular

    Jul 19, 2014
    i bought the series 1 mostly for notifications not an outside runner so need for gps but I do attend the gym and run on treadmill I was told to get better results may need to carry phone and run for at least 20minutes outside to help Calibrate so when I do run on treadmill it may yield better results is this correct.
  2. exxxviii macrumors 65816


    May 20, 2015
    Yes, this is correct. The watch starts with a default stride length. I don't think I have ever seen what it is. Then, when you run outdoors with the phone, it uses GPS data to calculate a stride length. So, you will not get accurate treadmill distance on the AW until you do the outdoor automatic calibration.

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