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
for 15 to 20 minutes, around 15 minutes before the start of the race. That gives you time to put on your wetsuit and head for the swim."Tim Don advises walking the transition before the race begins. "When you come off the bike there may be no one else