Geoffrey Mutai and Mary Keitany will lead the charge.
Scenarios abound in the determination of the men's winner.
The London Marathon champ has a penchant for mobile phones.
WMM contenders Gebremariam, Kiplagat lead respective fields in Daegu, Korea.
The World Marathon Majors trophy will be named after him.
So you think you know a lot about running?
Boston, London races will likely reshuffle the WMM leaderboard.
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.