R U N N I NRunning races in Boulder
There are 4 upcoming running races in Boulder: 3 short races and 1 trail & ultra races. The next one is Boulder XC Series Meet 1 on 10. 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 |
|---|---|---|
| Boulder XC Series Meet 1 | short races | 10. oktober 2026 |
| Alpine Bank Boulder Thanksgiving Day 5K | short races | 26. november 2026 |
| Hands & Voices New Year Virtual 5K: Trails to the Summit | trail & ultra races | 31. december 2026 |
| Bolder Boulder | short races | maj 2027 |
Frequently asked questions
How many races are there in Boulder?
Runnin currently lists 4 upcoming running races in Boulder 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.