Forerunner 630 GPS Sport Watch

Whether youre training for your first marathon or looking to crush a personal record, the Forerunner 630 GPS Sport Watch from Garmin provides all the extensive data you need for training and racing. Check your form by pairing your 630 with the HRM-Run monitor (sold separately) to measure cadence, vertical oscillation and ground contact time. Additional running dynamics include ground contact time balance, stride length and vertical ratio, giving runners insight into how efficient and how balanced their ...