October Races within 300 miles of Westminster, CO on Sundays
Evergreen, CO
EAPL Zombie Run 5K
Oct 29, 2023
Denver, CO
The Odyssey Odyssey
Oct 22, 2023
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
Colorado Springs, CO
Pikes Peak Road Runners Kids Fall Series
Oct 1, 2023
Oct 15, 2023
Oct 29, 2023
Nov 12, 2023
Pikes Peak Road Runners Fall Series
Oct 20, 2024
Oct 6, 2024
Nov 17, 2024
Nov 3, 2024
Spooky Sprint - Colorado Springs
Oct 6, 2024
Westminster, CO
Westy Half & 5K
Oct 13, 2024
Louisville, CO
MonsterDash Run
Oct 27, 2024
Santa Fe, NM
Run Santa Fe
Oct 1, 2023
SHAP Zombie Run
Oct 29, 2023
Littleton, CO
The Stride
Oct 29, 2023
Go Big or Go Gnome 5K
Oct 13, 2024
Arvada, CO
Strides for Sierra 5K
Oct 8, 2023
Boulder, CO
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Windsor, CO
Windsor Marathon
Oct 6, 2024
Lakewood, CO
West Side Best Side Cross Country Race
Oct 22, 2023
Crazy Horse, SD
Run Crazy Horse
Oct 6, 2024
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Lexington, NE
Lexington Halloween Hustle 5K
Oct 8, 2023
Fort Collins, CO
Colorado Brewery Running Series
Oct 6, 2024
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. Avery Brewing Company Oktoberfest 4K
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Past DateOct 1, 2023Sunday
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4K run
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Boulder, CO
17 miles point to pointBoulder County, CO
2. Pikes Peak Road Runners Kids Fall Series
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Past DateOct 1, 2023Sunday
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kids run
More Information
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Colorado Springs, CO
70 miles point to pointEl Paso County, CO
3. Run Santa Fe
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Past DateOct 1, 2023Sunday
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5K, 1M run
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Santa Fe, NM
291 miles point to pointSanta Fe County, NM
4. Colorado Brewery Running Series
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Oct 6, 2024Sunday
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13.1M, 5K run
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Fort Collins, CO
52 miles point to pointLarimer County, CO
5. Hot Chocolate 15K/5K - Denver
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Oct 6, 2024Sunday
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15K, 5K run
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Denver, CO
7 miles point to pointDenver County, CO
6. Michael J. Fox Foundation Run
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Oct 6, 2024Sunday
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5K run
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Denver, CO
7 miles point to pointDenver County, CO
7. Pikes Peak Road Runners Fall Series
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Oct 6, 2024Sunday
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3.1M trail run
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Colorado Springs, CO
70 miles point to pointEl Paso County, CO
8. RMRR Trophy Series - October
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Oct 6, 2024Sunday
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12K, 5K run
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Aurora, CO
13 miles point to pointArapahoe County, CO
9. Run Crazy Horse
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Oct 6, 2024Sunday
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26.2M, 13.1M run | 26.2M relay
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Boston Marathon Qualifier
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Crazy Horse, SD
285 miles point to pointCuster County, SD
10. 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
70 miles point to pointEl Paso County, CO
11. 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
45 miles point to pointWeld County, CO
12. Lexington Halloween Hustle 5K
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Past DateOct 8, 2023Sunday
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5K run
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Lexington, NE
288 miles point to pointDawson County, NE
13. 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
3 miles point to pointJefferson County, CO
14. bRUNch Run
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Oct 13, 2024Sunday
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10K, 5K run | kids run
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Denver, CO
7 miles point to pointDenver County, CO
15. Expo Park XC
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TentativeOct 13, 2024Sunday
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5K, 4K, 3K, 2K, 0.4M run
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Aurora, CO
13 miles point to pointArapahoe County, CO
16. Go Big or Go Gnome 5K
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Oct 13, 2024Sunday
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5K run
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Littleton, CO
15 miles point to pointArapahoe County, CO
17. Run the Rocks
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Oct 13, 2024Sunday
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5K run
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Morrison, CO
15 miles point to pointJefferson County, CO
18. Westy Half & 5K
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Oct 13, 2024Sunday
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13.1M, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
19. Wild For Life Triathlon
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Oct 13, 2024Sunday
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sprint triathlon | sprint triathlon relay
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Commerce City, CO
6 miles point to pointAdams County, CO
20. Beware the Bear Trail Races
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Past DateOct 15, 2023Sunday
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14.2K, 5K, 1M trail run
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Morrison, CO
15 miles point to pointJefferson 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.