American women aiming for a team medal.
The marathon had previously been held every year since 1980.
Coaching a lot of top talent can be demanding.
None of its 2010 gold medalists are running this year.
It was his second attempt to run 365 marathons in 365 days.
The Kenyan is dominating the cross-country races in Spain currently.
Marta Dominguez detained as several arrests are made in a major anti-doping operation.
It was Kenya versus Eritrea at this weekend's cross-country race in Spain.
The South African had not competed since her 2009 world championship. Reigning 800m world champion Caster Semenya of South Africa has