Running Power Experts Hans van Dijk and Ron van Megen

Endurance Innovation is now on Patreon! Have a peek at our page and show us some love.2:00 meet life-long runner and retired professor of engineering Hans van Dijk5:00 meet (also a) lifelong runner and engineer Ron van Megen9:00 where does all that work that we do as runners go?Overcoming running resistance (influenced by running efficiency)Overcoming aerodynamic dragOvercoming changes in elevation11:30 running efficiency / energy cost of running (ECOR)Potentially large interindividual differences: up to 20%!Minimized through training13:15 aerodynamic dragAverage runner CdA is 0.24 in free air and 0.20 while draftingEliud Kipchoge was down to 0.16 during his Breaking 2 attempt18:15 changes in elevationRunning efficiency improves when running uphill and worsens when running downhill20:30 factors that influence running efficiency / ECORGlobal, multi-year training load: more training tends to reduce ECORExperiment with: cadene, arm carriage, shoes, etc., to find minimal ECORReduce weight 31:30 factors that affect aerodynamic dragRunner speedDrafting34:00 Hans and Ron’s models of run performance39:00 using the stryd power meter to calculate running efficiencyLearn more about Hans and Ron and browse their books at their website.