Olympic champion says he has knee problems.
The Olympic champion claimed to be sick.
Kenya's fastest runners are looking forward to a big 2011 season.
There will be five sub-2:05 men toeing the line in England's capital next April.
Will the third time be the charm?
The Kenyan man and Russian woman were awarded $500,000 each for their accomplishment.
Injuries forces three elites to the sidelines.
BMW to sponsor Berlin Marathon; Maratona di Roma gets IAAF Gold Label.
Ethiopian won't make late charge at World Marathon Majors Crown.
Entrepreneur will take over Europe's largest road race in 2013.