What's new with Activity, Workouts, and fitness in watchOS 9 for Apple Watch

When watchOS 9 launches for Apple Watch owners they’ll receive a hearty array of updates to keep you fit including new workout types, more metrics, and improved customization.
Lots of new features for workouts in watchOS 9
We’ve been testing watchOS 9 since the first beta and have come to appreciate many of the new features. While we haven’t tested all the new workout options, what we have tried has been welcomed.