Heart Rate Monitors

Featuring a Power Glass™ solar charging lens that extends battery life and packed with top performance features, the Enduro GPS watch is built for extreme endurance athletes. Like you. DESIGNED TO RACE Enduro has an always-on 1.4”...

Premium GPS Running/Triathlon Smartwatch with Music  Sync music from select premium streaming services¹, or store up to 1,000 songs on your watch, and connect with headphones (sold separately) enabled with BLUETOOTH® technology for...

Unify Triathlon Training and Racing Designed for triathlete training and racing Stores and forwards heart rate data to compatible devices¹ Stores up to 20 hours of heart rate data. Enhance your triathlon experience by pairing HRM-Tri and...

Heart Rate Data in Three Disciplines Specifically designed for triathletes Our smallest and lightest heart rate monitor (HRM) Comfortable, easily adjustable strap Stores and forwards heart rate data to Forerunner® 920XT Enhance your...

Our TIMEX® IRONMAN® Transit+ activity tracker and easy-touch heart rate monitor is as powerful as you are. It’s practical and sleek with a silver-tone case and black resin strap. It’s also packed with timers, a sports stopwatch,...

Heart Rate — the Easy, Accurate Way This premium heart rate strap transmits real-time heart rate data over ANT+® connectivity and BLUETOOTH® Low Energy technology, giving you more training options. Consistently receive accurate...