From the manufacturer

TRACK SPORTS Track exercise with over 70+ sports modes, GPS, and wrist heart rate sensor. Easily share on the Suunto app or major sport services such as Strava, Endomondo and TrainingPeaks.	ACCURATE Suunto's unique FusedTrack algorithm combines GPS and motion sensor data to improve track and distance accuracy, extending battery life without compromises.	CONNECTIVITY Quickly view incoming messages and calls, notifications, and more, all on-the-go from your watch.