The 25th World Mountain Running Championships were held in Madesimo and Campodolcino, Italy on September 6, 2009. Around 315 athletes from 37 countries competed in this year's event.
| Senior Men | Geofrey Kusuro | Azeria Teklay | James Kibet | |
| Senior Women | Valentina Belotti | Maria Grazia Roberti | Sarah Tunstall | |
| Junior Men | Xavier Chevrier | Muzaffer Bayram | Alper Demir | |
| Junior Women | Yasemin Can | Megan Morgan | Angelika Mach | |
| Team Senior Men | | | | |
| Team Senior Women | | | ||
| Team Junior Men | | |  | |
| Team Junior Women | |  | |
| Rank | Athlete | Country | Time | |
|---|---|---|---|---|
| 1 | Geofrey Kusuro | 54:51 | ||
| 2 | Azerya Weldemariam | 55:45 | ||
| 3 | James Kibet | 55:54 | ||
| 4 | Bernard Dematteis | 56:02 | ||
| 5 | Zemichael Tesfamichael | 56:08 | ||
| 6 | Debesay Tsige Behlbi | 56:17 | ||
| 7 | Jean Baptiste Simukeka | 56:17 | ||
| 8 | Marco De Gasperi | 56:20 |
| Rank | Athlete | Country | Time | |
|---|---|---|---|---|
| 1 | Valentina Belotti | 43:39 | ||
| 2 | Maria Grazia Roberti | 44:03 | ||
| 3 | Sarah Tunstall | 44:23 | ||
| 4 | Hülya Baştuğ | 44:57 | ||
| 5 | Anna Pichrtová | 44:59 | ||
| 6 | Katie Ingram | 44:59 | ||
| 7 | Schanna Wokujewa | 45:21 | ||
| 8 | Mateja Kosovelj | 45:23 |