2014 Chicago Marathon

[1] Eliud Kipchoge won the men's race in a time of 2:04:11 hours, with a winning margin of seventeen seconds.

Mare Dibaba won the women's division, with a winning margin of twenty seconds.

[2] The original winner, Rita Jeptoo, was disqualified after a failed drug test.

The Chicago Marathon made significant changes to its registration process beginning with the 2014 race.

Starting in 2014, runners could either enter a random lottery or gain guaranteed entry by running a qualifying time, raising money for a charity, traveling with an international tour operator, or as a legacy finisher.