December Races in Colorado
Longmont, CO
Main Street Fun Run
Dec 14, 2019
Colorado Brewery Running Series - Left Hand Brewing
Dec 4, 2021
Glenwood Springs, CO
Moonlight Race Series
Dec 16, 2021
Jan 13, 2022
Feb 10, 2022
Mar 17, 2022
Thornton, CO
Winterfest 5K
Dec 14, 2019
Denver, CO
Chilly Cheeks Duathlon or 4 Mile Run Series
Jan 16, 2021
Feb 27, 2021
Dec 12, 2020
RMRR Trophy Series - December
Dec 5, 2021
Rudolph Ramble 5K
Dec 5, 2021
Jingle Bell Run
Dec 12, 2021
Santa's Dash for Cash
Dec 18, 2021
Christmas Sweater 5K
Dec 19, 2021
Resolution 5K
Dec 31, 2021
Colorado Springs, CO
Nielson Two Mile Challenge
Mar 5, 2022
Apr 2, 2022
May 7, 2022
Jun 4, 2022
8 more
Chasing Santa 5K
Dec 4, 2021
Durango, CO
Durango Resolution Run
Dec 31, 2020
Grand Junction, CO
Santa Cause Run
Dec 11, 2021
Westminster, CO
All-Out Fa La La
Dec 4, 2021
Erie, CO
Erie Elves 5K
Dec 14, 2019
Loveland, CO
Toy Drop
Dec 11, 2021
Aspen, CO
Aspen parkrun
Mar 26, 2022
Apr 2, 2022
Apr 9, 2022
Apr 16, 2022
48 more
Summit for Life
Dec 4, 2021
Littleton, CO
Santa Stampede 5K/10K
Dec 11, 2021
Boulder, CO
South Boulder Creek parkrun
Mar 26, 2022
Apr 2, 2022
Apr 9, 2022
Apr 16, 2022
48 more
ColderBOLDER
Dec 4, 2021
Pine, CO
Sawmill Trail Runs
Dec 11, 2021
Windsor, CO
Santa Catch 5K
Dec 18, 2021
Lakewood, CO
Ugly Sweater Brew Run
Dec 4, 2021
Fountain, CO
YMCA Jingle Bell 5K
Dec 11, 2021
Superior, CO
Superior Stocking Run
Dec 6, 2020
Fort Collins, CO
Resolution Run 5K
Dec 31, 2021
Four Corners Monument, CO
Four Corners Quad Keyah
Dec 4, 2021
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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.
City Location
1. All-Out Fa La La
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Dec 4, 2021Saturday
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13.1M, 10K, 5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
2. Aspen parkrun
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Dec 4, 2021Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
3. Chasing Santa 5K
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Dec 4, 2021Saturday
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5K run | kids run
More Information
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Colorado Springs, CO
El Paso County, CO
4. ColderBOLDER
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Dec 4, 2021Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
5. Colorado Brewery Running Series - Left Hand Brewing
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Dec 4, 2021Saturday
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5K run
More Information
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Longmont, CO
Boulder County, CO
6. Four Corners Quad Keyah
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Dec 4, 2021Saturday
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26.2M, 13.1M, 5K, 2M run
More Information
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Four Corners Monument, CO
Montezuma County, CO
7. Nielson Two Mile Challenge
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Dec 4, 2021Saturday
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2M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
8. South Boulder Creek parkrun
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Dec 4, 2021Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
9. Summit for Life
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Dec 4, 2021Saturday
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2.5M trail run
Virtual OptionMore Information
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Aspen, CO
Pitkin County, CO
10. Ugly Sweater Brew Run
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Dec 4, 2021Saturday
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5K run
More Information
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Lakewood, CO
Jefferson County, CO
11. RMRR Trophy Series - December
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Dec 5, 2021Sunday
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4.5M run
More Information
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Denver, CO
Denver County, CO
12. Rock Canyon Half Marathon
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Dec 5, 2021Sunday
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13.1M run
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Pueblo, CO
Pueblo County, CO
13. Rudolph Ramble 5K
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Dec 5, 2021Sunday
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5K run
More Information
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Denver, CO
Denver County, CO
14. Superior Stocking Run
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Past DateDec 6, 2020Sunday
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5K run
More Information
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Superior, CO
Boulder County, CO
15. Aspen parkrun
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Dec 11, 2021Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
16. Santa Cause Run
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Dec 11, 2021Saturday
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5K, 1K run | kids run
More Information
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Grand Junction, CO
Mesa County, CO
17. Santa Stampede 5K/10K
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Dec 11, 2021Saturday
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10K, 5K run
More Information
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Littleton, CO
Arapahoe County, CO
18. Sawmill Trail Runs
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Dec 11, 2021Saturday
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50K, 27K trail run
More Information
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Pine, CO
Jefferson County, CO
19. South Boulder Creek parkrun
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Dec 11, 2021Saturday
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5K run
More Information
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Boulder, 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.