You do the running. Forerunner 245 does the thinking. These GPS running smartwatches evaluate performance stats such as VO2 max, aerobic and anaerobic training effects, and training status, which indicates if you’re undertraining or overdoing it. You can also track advanced running dynamicssuch as ground contact time balance and stride length. Sync your favorite music from select premium streaming services, and even store up to 500 songs right on your watch for phone-free listening. Take the guesswork out of training for your next 5K when you team your Forerunner with the Garmin Coach app on your compatible smartphone. Select free training plans that adapt to your goals, or take training into your own hands by creating custom workouts at Garmin Connect™, our free online fitness community.