On the rare occasion that I am forced to endure a treadmill workout, I find that the data is usually off by ~10% (watch stats compared to treadmill stats), despite having hundreds of hours of outdoor runs logged to "calibrate" it. It's not a huge deal obviously, and I understand that there are technical challenges that can't be easily or completely overcome.... but it's annoying.View attachment 2113949
Workout types on Apple Watch - Apple Support
The Workout app has multiple workout types that you can use to track your exercise.support.apple.com