Why Does A Guy Like Lance Armstrong Have Gastrointestinal Issues During A Triathlon?

Published: April 7, 2012, 9:30 a.m.

Last week, at Ironman 70.3 Galveston, Lance Armstrong decimated the field on the bike, but then slipped to a disappointing seventh place finish due to hydration and nutrition problems during the run. So why does a guy like Lance Armstrong have...