October Races in Colorado
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
21. Pikes Peak Road Runners Fall Series
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Oct 6, 2024Sunday
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3.1M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
22. RMRR Trophy Series - October
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Oct 6, 2024Sunday
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12K, 5K run
More Information
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Aurora, CO
Arapahoe County, CO
23. Spooky Sprint - Colorado Springs
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Oct 6, 2024Sunday
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13.1M, 10K, 5K, 1M run | kids run
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Colorado Springs, CO
El Paso County, CO
24. Windsor Marathon
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Oct 6, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Windsor, CO
Weld County, CO
25. Big Waves Family 5K
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Past DateOct 7, 2023Saturday
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5K run
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Westminster, CO
Adams County, COJefferson County, CO
26. Breckenridge Road Marathon
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Past DateOct 7, 2023Saturday
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26.2M, 13.1M, 10K run | kids run
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Boston Marathon Qualifier
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Breckenridge, CO
Summit County, CO
27. Cerus Arena
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Past DateOct 7, 2023Saturday
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5K obstacle run
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Colorado Springs, CO
El Paso County, CO
28. Dare Great Things Cross Country Challenge
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CancelledOct 7, 2023Saturday
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2M run | kids run
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Denver, CO
Denver County, CO
29. Durango Fall Classic
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Past DateOct 7, 2023Saturday
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50K, 11M trail run
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Durango, CO
La Plata County, CO
30. FAMpoint5K
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Past DateOct 7, 2023Saturday
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5K, 0.5K run
Virtual OptionMore Information
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Grand Junction, CO
Mesa County, CO
31. Get Your Rear in Gear - Denver Metro
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Past DateOct 7, 2023Saturday
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5K run | kids run
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Littleton, CO
Arapahoe County, CO
32. Grace Race 5K
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Past DateOct 7, 2023Saturday
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5K run
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Denver, CO
Denver County, CO
33. Lions Roar for Fitness 5K/2.5K Challenge
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Past DateOct 7, 2023Saturday
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5K, 2.5K run
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Pueblo, CO
Pueblo County, CO
34. Miles for Moms
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Past DateOct 7, 2023Saturday
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3M run
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Denver, CO
Denver County, CO
35. Paws in the Park
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Past DateOct 7, 2023Saturday
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5K run
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Longmont, CO
Boulder County, CO
36. Ridgway 1K Rally Thru the Alley (with optional 5K Warm Up Lap)
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Past DateOct 7, 2023Saturday
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5K, 1K run
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Ridgway, CO
Ouray County, CO
37. UpStander 5K
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Past DateOct 7, 2023Saturday
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5K run
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Denver, CO
Denver County, CO
38. Strides for Sierra 5K
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Past DateOct 8, 2023Sunday
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5K, 1K run
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Arvada, CO
Jefferson County, CO
39. Aspen parkrun
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Oct 12, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
40. Colorado Brewery Running Series
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Oct 12, 2024Saturday
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5K run
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Aurora, CO
Arapahoe 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.