WatchOS 27 brings enhanced fitness and sleep tracking, including new Workout Buddy insights, improved indoor run/walk distance tracking, and more accurate sleep data.

Steps now sync more reliably between Health and Fitness apps, ensuring data stays consistent across Apple’s health ecosystem.

The update signals a push toward autonomous, data-driven fitness motivation with language-inclusive features and iPhone-free indoor activity and sleep data integration.

Sleep tracking improvements are highlighted, though the article does not detail the exact underlying changes.

Indoor run and walk distance tracking gains come from wrist-based measurements that don't require an iPhone, and the Fitness app will show more precise route maps after workouts.

The piece references prior watchOS updates and rumors, with WWDC 2026 expected to reveal official details and a public beta after the developer beta.

Workout Buddy now offers data-driven motivation with progress updates on pace, distance, and duration based on user history, works without an iPhone nearby, and is expanding to Spanish for personalized motivation.