How Long Does It Take to Improve Your VO2 Max? Here’s What Research and Experts Say

Here’s what they had to say about why VO2 max is important, how soon you should retest it, and the best way to improve it. It’s kind of an aggregator of metabolic fitness.”When you raise your VO2 max, you raise your ceiling for workout intensity. The Average Time Frame for Improving VO2 MaxThe rate at which your VO2 max improves depends on a few different factors. You can move your threshold closer to your max and get faster, but not move your [VO2] max,” he says. How Long It Takes for VO2 Max to DecreaseUnfortunately, VO2 max decreases a lot faster when you stop straining than it increases with training.