I use my Polar Vantage V during every session and check frequently my heart rate and the pace. A few times per month I do the orthostatic test to avoid injuries. I synchronize my Vantage V immediately after the session and analyse it.
Runner (3000m steeplechase)
November 17, 1990
9:21:65min (3000m steeple, 2017)
15:23:44min (5000m, 2018)
32:01min (10K road, 2018)
1:10:17h (half marathon, 2017)
Winning the silver medal at European Championships in Berlin after a difficult season with an injury.