October 5Ks within 25 miles of Denver, CO
Denver, CO
DU Crimson Classic 5K
Oct 27, 2023
D'Evelyn Dash
Oct 4, 2024
Grace Race 5K
Oct 5, 2024
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Liberty Energy 5K
Oct 19, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
Race to Cure Sarcoma
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
The Odyssey Odyssey
Oct 27, 2024
Aurora, CO
CU DPT Thera-Trot
Oct 5, 2024
RMRR Trophy Series - October
Oct 6, 2024
ASDAsh 5K to Beat Tooth Decay
Oct 12, 2024
Colorado Brewery Running Series
Oct 12, 2024
Expo Park XC
Oct 20, 2024
Golden, CO
All-Out Kooky-Spooky
Oct 27, 2024
Centennial, CO
Hoofin' It Through the Hollows 5K
Oct 26, 2024
Westminster, CO
Big Waves Family 5K
Oct 5, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
Erie, CO
Eerie Erie
Oct 26, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Boulder XC Series Meet 1
Oct 12, 2024
Brighton, CO
The Arc of Adams County All-Ability Halloween 5K Run/Walk
Oct 12, 2024
Gummball 5K
Oct 19, 2024
Morrison, CO
Run the Rocks
Oct 13, 2024
Great Trailhead Foot Race
Oct 19, 2024
Beware the Bear Trail Races
Oct 26, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. D'Evelyn Dash
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Oct 4, 2024Friday
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5K, 2K run
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Denver, CO
Denver County, CO
2. Big Waves Family 5K
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Oct 5, 2024Saturday
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5K run
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Westminster, CO
7 miles point to pointAdams County, COJefferson County, CO
3. CU DPT Thera-Trot
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Oct 5, 2024Saturday
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5K run
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Aurora, CO
8 miles point to pointArapahoe County, CO
4. Grace Race 5K
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Oct 5, 2024Saturday
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5K run
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Denver, CO
Denver County, CO
5. Not So Flatt Breast Cancer Awareness Run/Walk
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Oct 5, 2024Saturday
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10K, 5K run
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Westminster, CO
7 miles point to pointAdams County, COJefferson County, CO
6. South Boulder Creek parkrun
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Oct 5, 2024Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
7. Spooky Sprint
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Oct 5, 2024Saturday
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13.1M, 10K, 5K, 1M run | kids run
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Littleton, CO
9 miles point to pointArapahoe County, CO
8. 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
Denver County, CO
9. Michael J. Fox Foundation Run
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Oct 6, 2024Sunday
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5K run
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Denver, CO
Denver County, CO
10. RMRR Trophy Series - October
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Oct 6, 2024Sunday
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12K, 5K run
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Aurora, CO
8 miles point to pointArapahoe County, CO
11. Strides for Sierra 5K
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Oct 6, 2024Sunday
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5K, 1K run
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Arvada, CO
6 miles point to pointJefferson County, CO
12. ASDAsh 5K to Beat Tooth Decay
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Oct 12, 2024Saturday
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5K run
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Aurora, CO
8 miles point to pointArapahoe County, CO
13. Boulder XC Series Meet 1
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Oct 12, 2024Saturday
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5K, 3K, 1K run
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Boulder, CO
24 miles point to pointBoulder County, CO
14. Colorado Brewery Running Series
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Oct 12, 2024Saturday
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5K run
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Aurora, CO
8 miles point to pointArapahoe County, CO
15. South Boulder Creek parkrun
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Oct 12, 2024Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
16. The Arc of Adams County All-Ability Halloween 5K Run/Walk
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Oct 12, 2024Saturday
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5K run
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Brighton, CO
19 miles point to pointAdams County, CO
17. The Pretzel Run Colorado
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Oct 12, 2024Saturday
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10K, 5K run | kids run
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Louisville, CO
18 miles point to pointBoulder County, CO
18. bRUNch Run
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Oct 13, 2024Sunday
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10K, 5K run | kids run
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Denver, CO
Denver County, CO
19. 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
9 miles point to pointArapahoe County, CO
20. Run the Rocks
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Oct 13, 2024Sunday
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5K run
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Morrison, CO
12 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.