| Event | Last held | Organiser |
|---|---|---|
|
Rocky Mountain Half Marathon
5kHalf Marathon
|
Aug 2026 | |
| Thumbs Up Summer Slam | Jul 2026 | |
| Estes Park's Backyard Ultra | Jun 2026 | |
|
Estes Park Marathon & Half Marathon 2026
5 Miles21k42kHalf MarathonMarathon
|
Jun 2026 | |
|
DUCK WADDLE 5K
5k
|
May 2026 | |
|
Bigfoot Half Marathon
3.1 Miles13.1 MilesHalf Marathon
|
Apr 2026 | |
|
Cryogenic Cannibal Chase
8k5 Miles
|
Mar 2026 | |
| Thumbs Up Vertical Challenge | Dec 2025 |
Sorted by most recent. Past events are kept permanently in this archive.