| Competition: | 113rd Boston Marathon |
| Venue: | Boston, United States |
| Dates: | April 20 |
| Men: | Deriba Merga |
| Men Win Value: | 2:08:42 |
| Women: | Salina Kosgei |
| Women Win Value: | 2:32:16 |
| Prev: | 2008 |
| Next: | 2010 |
The 2009 Boston Marathon was the 113rd running of the annual marathon race in Boston, United States and was held on April 20. The elite men's race was won by Ethiopia's Deriba Merga in a time of 2:08:42 hours and the women's race was won by Ethiopia's Salina Kosgei in 2:32:16.
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 1 | Deriba Merga | 2:08:42 | ||
| 2 | Daniel Rono | 2:09:32 | ||
| 3 | Ryan Hall | 2:09:40 | ||
| 4 | Kebede Tekeste | 2:09:49 | ||
| 5 | Robert Kipkoech Cheruiyot | 2:10:06 | ||
| 6 | Gashaw Asfaw | 2:10:44 | ||
| 7 | Solomon Molla | 2:12:02 | ||
| 8 | Evans Cheruiyot | 2:12:45 | ||
| 9 | Stephen Kiogora | 2:13:00 | ||
| 10 | Timothy Cherigat | 2:13:04 |
| Position | Athlete | Nationality | Time | |
|---|---|---|---|---|
| 1 | Salina Kosgei | 2:32:16 | ||
| 2 | Dire Tune | 2:32:17 | ||
| 3 | Kara Goucher | 2:32:25 | ||
| 4 | Bezunesh Bekele | 2:33:08 | ||
| 5 | Helena Kirop | 2:33:24 | ||
| 6 | Lidiya Grigoryeva | 2:34:24 | ||
| 7 | Atsede Habtamu | 2:35:34 | ||
| 8 | Colleen De Reuck | 2:35:37 | ||
| 9 | Alice Timbilil | 2:36:25 | ||
| 10 | Alina Ivanova | 2:36:50 |