10.5 per cent per decade for men and 14.8 per cent among women. But that study yielded encouraging news for runners outside of the lead pack. For the non-elites, the decline was a little lower – and began later. "For these runners, significant age
at the Institute for Physiology and Anatomy in Germany. Leyk recently examined age-related changes in marathon performance among 300,757 runners, and found that among top-10 finishers, running times slowed by about 10.5 per cent per decade for men and 14.8 per cent
