Rethinking cross-training for runners

Improved fitness with fewer kilometers

I will start out with a personal background story to this article. In April 2021 I had my first “serious” injury as a runner, a stress reaction in my femur. It put me out of competition for the rest of the season. In addition to the injury, I was also seriously overtrained. I went from a polarized approach to training to a threshold-centered approach with frequent interval sessions and more time in the middle zone. I also increased volume drastically. This was the perfect recipe for me to get…