watchOS 27 contains a series of enhancements to fitness and sleep tracking, including new Workout Buddy insights, improved indoor run tracking, and more. Workout Buddy is gaining new data-driven motivation features, delivering progress updates for pace, distance, and workout duration based on a user's fitness history. Apple is also enabling Workout Buddy to function without an iPhone nearby, allowing users to stay motivated during workouts without needing a phone in their pocket or hand.