Ultras in Colorado
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
Crested Butte Ultra
Sep 28, 2024
Colorado Springs, CO
Rattler Trail Race
Apr 13, 2024
Cheyenne Mountain Trail Race
Apr 27, 2024
Valkyrie Trail Race
May 11, 2024
Ram Party
May 18, 2024
May 19, 2024
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Pikes Peak Ultra
Jul 27, 2024
Bobcat Trail Race
Oct 19, 2024
Colorado Cold Rush
Nov 30, 2024
Stories Trail Runs
Feb 15, 2025
Feb 16, 2025
Lake City, CO
San Juan Solstice 50 Mile
Jun 22, 2024
Durango, CO
Durango Fall Classic
Oct 7, 2023
Idaho Springs, CO
Flaming Foliage Relay
Sep 6, 2024
Fruita, CO
Desert RATS Trail Running Festival
Apr 13, 2024
Apr 14, 2024
Apr 12, 2024
Desert RATS Kokopelli 150 Stage Race
Jun 16, 2024
Kessel Run Ultra
Nov 9, 2024
Woodland Park, CO
Above the Clouds Ultra
Oct 5, 2024
Golden, CO
Latino Ultra Nature Adventure
Jun 1, 2024
Steamboat Springs, CO
Wild West Relay
Aug 2, 2024
Continental Divide Trail Run
Aug 24, 2024
Run Rabbit Run
Sep 14, 2024
Sep 13, 2024
Buena Vista, CO
Collegiate Peaks Trail Run
May 4, 2024
TransRockies Run
Aug 12, 2024
Flaming Foliage Relay
Sep 6, 2024
West Line Winder
Sep 28, 2024
Castle Rock, CO
Castle Rock Trail Festival
Oct 5, 2024
Loveland, CO
Run the Ranch
Apr 5, 2024
Apr 6, 2024
Aspen, CO
Power of Four Trail Run
Jul 20, 2024
Highlands Ranch, CO
Chase the Moon 12-Hour Endurance Run
Jul 19, 2024
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 6, 2024
Leadville Trail 100 Mile Run
Aug 17, 2024
Brighton, CO
Runs With Scissors Races
Apr 27, 2024
Snowmass Village, CO
Ragnar Trail Colorado
Jun 7, 2024
Trinidad, CO
The Rad Dirt Fest
Sep 28, 2024
Gunnison, CO
Sage Burner Trail Run
Oct 12, 2024
Pine, CO
Suffer Better Fall Trail Run
Oct 14, 2023
Running Up For Air - Staunton Rocks
Feb 24, 2024
Feb 25, 2024
North Fork 50M/50K
Jun 1, 2024
Sawmill Trail Runs
Dec 7, 2024
Canon City, CO
Royal Gorge Groove
Apr 20, 2024
Bridge Burner Ultra
Nov 2, 2024
Palmer Lake, CO
24 Hours of Palmer Lake
Sep 28, 2024
Creede, CO
Creede Mountain Run
Aug 31, 2024
Empire, CO
Devil on the Divide
Sep 7, 2024
Byers, CO
BINGO! Trail Runs
Nov 9, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
La Veta, CO
Cuchara Trail Runs
Jun 15, 2024
Fort Collins, CO
Quad Rock 50
May 11, 2024
Wild West Relay
Aug 2, 2024
Colorado 24 Hour Run
Nov 2, 2024
Nathrop, CO
Sawatch Ascent
Sep 29, 2024
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Mount Princeton, CO
High Lonesome 100
Jul 19, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
 |
 |
 |
 |
 |
 |
 |
 |
| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Durango Fall Classic
-
Past DateOct 7, 2023Saturday
-
50K, 11M trail run
More Information
-
Durango, CO
La Plata County, CO
2. Suffer Better Fall Trail Run
-
Past DateOct 14, 2023Saturday
-
50K, 25K trail run
More Information
-
Pine, CO
Jefferson County, CO
3. Running Up For Air - Staunton Rocks
-
Past DateFeb 24, 2024Saturday
-
24H, 12H, 6H, 3H trail run
More Information
-
Pine, CO
Jefferson County, CO
4. Running Up For Air - Staunton Rocks
-
Past DateFeb 25, 2024Sunday
-
24H, 12H, 6H, 3H trail run
More Information
-
Pine, CO
Jefferson County, CO
5. Run the Ranch
-
Past DateApr 6, 2024Saturday
-
12H, 6H, 4H trail run | 12H relay
More Information
-
Loveland, CO
Larimer County, CO
6. Desert RATS Trail Running Festival
-
Past DateApr 12, 2024Friday
-
100K trail run
More Information
-
Fruita, CO
Mesa County, CO
7. Desert RATS Trail Running Festival
-
Past DateApr 13, 2024Saturday
-
50K, 26.2M trail run
More Information
-
Fruita, CO
Mesa County, CO
8. Rattler Trail Race
-
Past DateApr 13, 2024Saturday
-
50K, 25K, 10K trail run
More Information
-
Colorado Springs, CO
El Paso County, CO
9. Royal Gorge Groove
-
Past DateApr 20, 2024Saturday
-
55K, 27K, 10K, 5K trail run
More Information
-
Canon City, CO
Fremont County, CO
10. Cheyenne Mountain Trail Race
-
Apr 27, 2024Saturday
-
50K, 25K, 10K trail run
More Information
-
Colorado Springs, CO
El Paso County, CO
11. Runs With Scissors Races
-
Apr 27, 2024Saturday
-
50K, 26.2M, 13.1M run
More Information
-
Brighton, CO
Adams County, CO
12. Collegiate Peaks Trail Run
-
May 4, 2024Saturday
-
50M, 25M trail run
More Information
-
Buena Vista, CO
Chaffee County, CO
13. Greenland Trail Races
-
May 4, 2024Saturday
-
50K, 25K, 8M, 4M trail run
More Information
-
Larkspur, CO
Douglas County, CO
14. Quad Rock 50
-
May 11, 2024Saturday
-
50M, 25M trail run
More Information
-
Fort Collins, CO
Larimer County, CO
15. Valkyrie Trail Race
-
May 11, 2024Saturday
-
50K, 26.2M, 30K, 13.1M, 8M, 4M trail run
More Information
-
Colorado Springs, CO
El Paso County, CO
16. Endure Trail Runs
-
May 18, 2024Saturday
-
24H, 12H, 13.1M, 10K trail run
More Information
-
Divide, CO
Teller County, CO
17. Ram Party
-
May 18, 2024Saturday
-
54M, 50K trail run
More Information
-
Colorado Springs, CO
El Paso County, CO
18. Weld Your Mettle Ultra Marathon
-
May 25, 2024Saturday
-
24H, 12H, 9H, 6H, 3H, 7K run | kids run
More Information
-
Eaton, CO
Weld County, CO
19. Great Divide Ultra
-
Jun 1, 2024Saturday
-
100M, 100K, 50K, 25K trail run
More Information
-
Divide, CO
Teller County, CO
20. Latino Ultra Nature Adventure
-
Jun 1, 2024Saturday
-
50K, 13.1M, 7.5M, 5K run
More Information
-
Golden, CO
Jefferson County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.