December Races in Colorado
Longmont, CO
Main Street Fun Run
Dec 10, 2022
Denver, CO
Jingle Jog
Dec 3, 2022
Rudolph Ramble 5K
Dec 4, 2022
Chilly Cheeks Duathlon or 4 Mile Run Series
Jan 21, 2023
Feb 25, 2023
Dec 17, 2022
RMRR Trophy Series - December
Dec 3, 2023
WinterFest 5K and Fun Run
Dec 9, 2023
Santa's Dash for Cash
Dec 16, 2023
Ugly Sweater 5K
Dec 17, 2023
Colorado Springs, CO
Chasing Santa 5K
Dec 3, 2022
Nielson Two Mile Challenge
Mar 2, 2024
Apr 6, 2024
May 4, 2024
Jun 3, 2023
8 more
Colorado Cold Rush
Dec 2, 2023
Grand Junction, CO
Santa Cause Run
Dec 10, 2022
Buena Vista, CO
Ugly Sweater 5K
Dec 2, 2023
Westminster, CO
All-Out Fa La La
Dec 2, 2023
Pueblo, CO
Rock Canyon Half Marathon
Dec 3, 2023
Louisville, CO
Superior Stocking Run
Dec 11, 2022
Loveland, CO
Toy Drop
Dec 16, 2023
Aspen, CO
Summit for Life
Dec 3, 2022
Aspen parkrun
Mar 23, 2024
Mar 30, 2024
Apr 6, 2024
Apr 13, 2024
48 more
Boulder, CO
ColderBOLDER
Dec 10, 2022
South Boulder Creek parkrun
Mar 23, 2024
Mar 30, 2024
Apr 6, 2024
Apr 13, 2024
48 more
Pine, CO
Sawmill Trail Runs
Dec 2, 2023
Windsor, CO
Santa Catch 5K & 10K
Dec 16, 2023
Fountain, CO
YMCA Jingle Jog 5k
Dec 10, 2022
Fort Collins, CO
Sweaty Sweater 5K
Dec 10, 2022
Resolution Run 5K
Dec 31, 2023
Four Corners Monument, CO
Four Corners Quad Keyah
Dec 10, 2023
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Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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.
1. Colorado Cold Rush
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Dec 2, 2023Saturday
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50K, 13.1M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
2. All-Out Fa La La
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Dec 2, 2023Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Westminster, CO
Adams County, COJefferson County, CO
3. Aspen parkrun
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Dec 2, 2023Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
4. Nielson Two Mile Challenge
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Dec 2, 2023Saturday
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2M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
5. Sawmill Trail Runs
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Dec 2, 2023Saturday
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50K, 16M, 8M trail run
More Information
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Pine, CO
Jefferson County, CO
6. South Boulder Creek parkrun
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Dec 2, 2023Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
7. Ugly Sweater 5K
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Dec 2, 2023Saturday
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5K run
More Information
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Buena Vista, CO
Chaffee County, CO
8. Chasing Santa 5K
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Past DateDec 3, 2022Saturday
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5K run | kids run
More Information
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Colorado Springs, CO
El Paso County, CO
9. Jingle Jog
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Past DateDec 3, 2022Saturday
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2M run
More Information
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Denver, CO
Denver County, CO
10. RMRR Trophy Series - December
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Dec 3, 2023Sunday
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4.5M run
More Information
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Denver, CO
Denver County, CO
11. Rock Canyon Half Marathon
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Dec 3, 2023Sunday
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13.1M run
More Information
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Pueblo, CO
Pueblo County, CO
12. Summit for Life
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Past DateDec 3, 2022Saturday
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2.5M trail run
Virtual OptionMore Information
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Aspen, CO
Pitkin County, CO
13. Rudolph Ramble 5K
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Past DateDec 4, 2022Sunday
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5K run
More Information
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Denver, CO
Denver County, CO
14. Aspen parkrun
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Dec 9, 2023Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
15. South Boulder Creek parkrun
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Dec 9, 2023Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
16. WinterFest 5K and Fun Run
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Dec 9, 2023Saturday
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5K run | kids run
More Information
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Denver, CO
Denver County, CO
17. ColderBOLDER
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Past DateDec 10, 2022Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
18. Four Corners Quad Keyah
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Dec 10, 2023Sunday
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26.2M, 13.1M, 5K, 2M run
More Information
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Four Corners Monument, CO
Montezuma County, CO
19. Main Street Fun Run
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Past DateDec 10, 2022Saturday
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1M run
More Information
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Longmont, CO
Boulder County, CO
20. Santa Cause Run
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Past DateDec 10, 2022Saturday
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5K, 1K run | kids run
More Information
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Grand Junction, CO
Mesa 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.