The new features in the Fitness app are part of iOS 26, which comes out today . Once you've, you’ll find that the Fitness app has a new tab at the bottom, labeled Workout. If you’re on a treadmill, it’s got nothing to go on—unless it has a device telling it your heart rate.) Each of the four tracked my speed and distance, made a map of where I’d been, and (if there was a heart rate monitor paired) recorded my heart rate data. How to mirror your workouts from Apple Watch on your phoneApple Watch screenshot on left, iPhone screenshot on right.