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New Running Dynamics in fēnix 3 and Forerunner 920XT

1 December 2015 @ 1:55 PM  / Outdoor Blog / Sports / Fitness Blog /


Today we’re excited to announce that all Forerunner 920XT and fēnix 3 users will be able to download updated software to access the latest running dynamics that were introduced last month with the Forerunner 630. Available to download soon, these software updates will work with both the watches, the HRM-Tri, and the original HRM-Run strap to give users even more data to measure their workouts. 

Building off the advanced running dynamics introduced with Forerunner 620: cadence, vertical oscillation and ground contact time, 920XT and fēnix 3 users will soon be able to utilize the new metrics, including: 

  • Stride Length: Measures the length of a runner’s stride in real time.  
  • Ground Contact Time Balance: Measures a runner’s left-right ground contact symmetry, which some runners have found to correlate with injuries or strength imbalances.
  • Vertical Ratio: The cost-benefit ratio of vertical oscillation to stride length, serving as one indicator of a runner’s efficiency.


Adding these new metrics is just one more way Garmin is working to keep runners aware of their bodies while training, help avoid injury and improve overall performance. For more information on the new running dynamics, check out the Forerunner 630 info videos here.

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