Get the most out of your workout with the Garmin HRM-Run`s minute-by-minute feedback on effort levels and built-in accelerometer to measure running form out on the road. The sensor is supported by a soft, adjustable strap and transmits data wirelessly to your Garmin Forerunner 620/920XT or fenix 2 device so you can see heart rate, cadence, vertical oscillation, and ground contact time to accurately measure your intensity levels and form metrics. While the HRM-Run only sends running form feedback to the pre...