Garmin running dynamics podthe running dynamics pod, from garmin, is the super lightweight way to track your running performance and to reach that next step in your goals.running metricsthe pod measures 6 different running metrics so that you get the best overall view of your progression. The metrics included arecadence ndash the number of steps you take per minute.ground contact time balance ndash shows the balance between your right and left foot ground contact time.stride length ndash the length of your stride from one footfall to the next.vertical oscillation ndash your bounce while running which shows the vertical motion of your torso.vertical ratio ndash the ratio of vertical oscillation to stride length.ground contact time ndash the time in each step that your foot spends on the ground.connectivityonce youve finished running for the day you can automatically sync your running data to multiple different apps via your smartphone. This will allow you to track your progress over days, weeks, months and years.featuresmeasures 6 different running dynamicsreplaceable batterybattery life lasts up to 1 yearweighs 12gautomatically connects to garmin connect appbuy garmin activity trackers from chain reaction cycles, the world's largest online bike store.