R U N N I NRunning races in Fort Collins
There are 4 upcoming running races in Fort Collins: 2 short races, 1 trail & ultra races and 1 half marathons. The next one is Blue Sky Trail Marathon & Half Marathon on 17. oktober 2026. The list is sorted by date, updated weekly, and each race links straight to the organiser's official registration.
Upcoming races
| Race | Type | Date |
|---|---|---|
| Blue Sky Trail Marathon & Half Marathon | trail & ultra races | 17. oktober 2026 |
| Colorado 24 Hour Run | short races | 7. november 2026 |
| Sharin' O' The Green 5k | short races | 6. marts 2027 |
| Horsetooth Half Marathon - Presented by Fort Collins Connexion | half marathons | 18. april 2027 |
Frequently asked questions
How many races are there in Fort Collins?
Runnin currently lists 4 upcoming running races in Fort Collins across all distances. The calendar refreshes weekly.
How do I register?
Every race on the list links directly to the organiser's official registration page. Runnin is free and sells nothing.