The Garmin Fenix 3 is a rugged, capable and smart multisport training GPS / Global Navigation Satellite System watch. It delivers advanced features to help you train and race smarter whether by foot or by bike. When paired with included HRM-RUN™ heart rate monitor, the watch features include recommended recovery time, recovery check, race pace predictor and VO2 max estimate. You can also keep tabs on your cadence, vertical oscillation and ground contact time. Shop now at REI.com.