The World Marathon Majors has a lifetime doping ban.
The Chicago Marathon and the World Marathon Majors want their prize money back.
Doping and extortion scandal could have widespread implications for the Russian athletics federation.
Ethiopians rule the the roads in the Windy City.
It's now Edna Kiplagat versus Liliya Shobukhova.
Boston, London races will likely reshuffle the WMM leaderboard.