Feature●MUSIC ON THE GO: Sync with music streaming services like Spotify to store and play your favorite songs right from your watch. Listen to your music without having to carry your phone, so you can focus on your run.●PERSONALIZED TRAINING: Get free adaptive training plans from Garmin Coach, or create your custom workouts on Garmin Connect. Garmin Coach uses your fitness level and goals to create a personalized training plan that adapts to your progress.●ADVANCED RUNNING DYNAMICS: Track ground contact time balance, stride length, vertical ratio, and more with a Running Dynamics Pod or HRM-Run or HRM-Tri monitor (sold separately). Advanced running dynamics can help you improve your running form and efficiency.●SAFETY AND TRACKING: Incident detection (during select activities) sends your real-time location to emergency contacts through your paired compatible smartphone. This feature can give you peace of mind knowing that help is on the way if you need it.●LONG BATTERY LIFE: Up to 7 days in smartwatch mode; up to 6 hours in GPS mode with music. Get more out of your watch with its long battery life.Description Provides advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more (When used with Running Dynamics Pod or HRM-Run or HRM-Tri monitors (sold separately)