"Differences in sex and running ability influence declines in marathon performance, study finds..."

“Differences in sex and running ability influence declines in marathon performance, study finds Differences in sex and running ability influence declines in marathon performance, study finds”

- https://www.sciencedaily.com/releases/2017/02/170228185221.htm

source http://physiquesportsuk.tumblr.com/post/157873197724