| Competition: | 31st Chicago Marathon |
| Venue: | Chicago, United States |
| Dates: | October 12 |
| Men: | Evans Cheruiyot |
| Men Win Value: | 2:06:25 |
| Women: | Lidiya Grigoryeva |
| Women Win Value: | 2:27:17 |
| Prev: | 2007 |
| Next: | 2009 |
The 2008 Chicago Marathon was the 31st running of the annual marathon race in Chicago, United States and was held on October 12. The elite men's race was won by Kenya's Evans Cheruiyot in a time of 2:06:25 hours and the women's race was won by Russia's Lidiya Grigoryeva in 2:27:17.
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 1 | Evans Cheruiyot | 2:06:25 | ||
| 2 | David Mandago Kipkorir | 2:07:37 | ||
| 3 | Timothy Cherigat | 2:11:39 | ||
| 4 | Wesley Korir | 2:13:53 | ||
| 5 | Martin Lauret | 2:15:10 | ||
| 6 | Emmanuel Kipchirchir Mutai | 2:15:36 | ||
| 7 | Mike Reneau | 2:16:20 | ||
| 8 | William Kipsang | 2:16:41 | ||
| 9 | Daniel Njenga | 2:17:33 | ||
| 10 | Richard Limo | 2:18:48 |
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 1 | Lidiya Grigoryeva | 2:27:17 | ||
| 2 | Alevtina Biktimirova | 2:29:32 | ||
| 3 | Kiyoko Shimahara | 2:30:19 | ||
| 4 | Constantina Diță | 2:30:57 | ||
| 5 | Desiree Davila | 2:31:33 | ||
| 6 | Colleen De Reuck | 2:32:25 | ||
| 7 | Bezunesh Bekele | 2:32:41 | ||
| 8 | Paige Higgins | 2:33:06 | ||
| 9 | Kate O'Neill | 2:34:04 | ||
| 10 | Berhane Adere | 2:34:16 |