I’m a runner and notice my VO2 Max varies depending on the shoes I’m running. My BPM will be 5-8BPM lower wearing the Nike Vaporfly Next% shoes compared to my New Balance or Saucony carbon plated shoes. Last run with the Vaporflys gave me a 50.1 VO2 Max and today’s run in the NB shoes dropped 0.4 points. The wind,…