Half Marathons in Colorado on Sundays
City Location
1. Breck Crest Mountain Marathon
-
Past DateSep 3, 2023Sunday
-
23M, 13.1M, 10K trail run
More Information
-
Breckenridge, CO
Summit County, CO
2. Calarat Challenge Trail Running Festival
-
Past DateSep 3, 2023Sunday
-
13.1M, 10K, 5K trail run | kids run
More Information
-
Jamestown, CO
Boulder County, CO
3. Adams Half & 5K
-
Past DateSep 17, 2023Sunday
-
13.1M, 5K run
More Information
-
Brighton, CO
Adams County, CO
4. Rock Canyon Half Marathon
-
Past DateDec 3, 2023Sunday
-
13.1M run
More Information
-
Pueblo, CO
Pueblo County, CO
5. Ralston Creek Half Marathon
-
Past DateFeb 18, 2024Sunday
-
13.1M, 5K run
More Information
-
Arvada, CO
Jefferson County, CO
6. That Dam Run
-
Past DateMar 3, 2024Sunday
-
13.1M, 10K, 5K run | kids run
More Information
-
Greenwood Village, CO
Arapahoe County, CO
7. Time to Paddy 5K/10K and Lucky 13.1
-
Past DateMar 3, 2024Sunday
-
13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
-
Denver, CO
Denver County, CO
8. Spring Equinox Races
-
Past DateMar 24, 2024Sunday
-
13.1M, 5K run
More Information
-
Fort Collins, CO
Larimer County, CO
9. Three Creeks Half Marathon
-
Past DateApr 7, 2024Sunday
-
13.1M run
More Information
-
Denver, CO
Denver County, CO
10. Desert RATS Trail Running Festival
-
Past DateApr 14, 2024Sunday
-
13.1M, 10K trail run
More Information
-
Fruita, CO
Mesa County, CO
11. Platte River Half Marathon
-
Past DateApr 14, 2024Sunday
-
13.1M run | 13.1M relay
More Information
-
Littleton, CO
Arapahoe County, CO
12. Blue Heron Half and 5K
-
Past DateApr 21, 2024Sunday
-
13.1M, 5K run
More Information
-
Brighton, CO
Adams County, CO
13. Time Travel Half Marathon - Colorado Springs
-
Past DateApr 21, 2024Sunday
-
13.1M, 10K, 5K, 1M run
More Information
-
Colorado Springs, CO
El Paso County, CO
14. Colorado Marathon
-
May 5, 2024Sunday
-
26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
-
Boston Marathon Qualifier
-
Fort Collins, CO
Larimer County, CO
15. Boulder Mothers Day Run
-
May 12, 2024Sunday
-
13.1M, 10K, 5K trail run
More Information
-
Boulder, CO
Boulder County, CO
16. Fruita Trail Half
-
May 12, 2024Sunday
-
13.1M trail run
More Information
-
Fruita, CO
Mesa County, CO
17. Denver Colfax Marathon
-
May 19, 2024Sunday
-
26.2M, 13.1M, 10M run | 26.2M relay
More Information
-
Boston Marathon Qualifier
-
Denver, CO
Denver County, CO
18. Ram Party
-
May 19, 2024Sunday
-
26.2M, 13.1M, 9M, 5K trail run
More Information
-
Colorado Springs, CO
El Paso County, CO
19. Spirit Trail Run
-
May 26, 2024Sunday
-
26.2M, 13.1M, 8K trail run
More Information
-
Buena Vista, CO
Chaffee County, CO
20. Colorado 13er
-
Jun 2, 2024Sunday
-
13.1M, 10K, 5K run
More Information
-
Louisville, CO
Boulder 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.