Apple Watch capturing wrong data while exercising onboard a cruise.
I discovered something interesting while exercising onboard a recent cruise. Using the workout app and specifically the 'Outdoor Walking' option while taking laps around the perimeter of the ship, I kept getting split alerts from my Apple Watch every 2 minutes or so indicating that I had completed another mile. Apparently the Apple Watch's GPS was tracking the distance the ship was taking and thinking that I was some sort of superhero. Interestingly, when looking at the map of my walking, it shows I was going in a straight line (the direction of the ship) rather than the laps I was actually taking on board.
I included a couple of screen shots of how this registered.
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iPhone 13 Pro Max, iOS 16