The 2011 world champion didn't perform well at the Olympic Games.
Switzerland's largest annual track meet just got some top billing.
The end of August could yield a new middle-distance world record.
Asbel Kiprop makes it look easy in the men's 1,500 meters.
It rained, rained some more, then rained again after that. (c) 2012 Race Results Weekly, all rights reserved Used with permission.
Mo Farah Wins Tactical 5000m Race in London
The Diamond League season kicks off on May 11 in Doha.
The race is a rematch of current world #1 versus the 2011 world champion.
Double world gold medalist Vivian Cheruiyot wins the 5000m.
Lots of top American performances on the track last weekend. Check out the highlights in this photo gallery!