How Widespread Is Distance Running Doping?

05:15

February 28, 2013

Wilson Loyanae Erupe of Kenya (18) is seen leading a pack of runners during the men's race of the Seoul International Marathon in Seoul, South Korea, March 18, 2012. Erupe is among three Kenyan runners suspended for in February 2013. (Ahn Young-joon/AP) — Wilson Loyanae Erupe of Kenya (18) is seen leading a pack of runners during the men's race of the Seoul International Marathon in Seoul, South Korea, March 18, 2012. Erupe, who won that race, is among three Kenyan runners suspended in February 2013 for doping. (Ahn Young-joon/AP)

As the World Marathon Majors announce a tougher policy against the use of performance-enhancing drugs, three marathoners from Kenya have been suspended for failing drug tests.

And Moses Kiptanui, a three-time world champion from Kenya, said earlier this month that doping is taking place in the country's famous running camps.

So how widespread is the problem and what is the sport doing about it?

Guest:

Scott Douglas, editor of Runner's World Newswire. He is author of "Runner's World Complete Guide to Minimalism and Barefoot Running," which comes out March 12.

This segment aired on February 28, 2013.