It¿s the next best thing to having your own personal running coach. Forerunner 620 offers advanced features like recovery advisor, race predictor and VO max estimate to help you train smarter and achieve new race goals. When used with the HRM-Run monitor¹, the 620 also provides feedback on running form by showing your cadence, ground contact time and vertical oscillation. For indoor training, the 620¿s built-in accelerometer tracks distance, so you don¿t need a separate foot pod.