October 5Ks within 200 miles of Denver, CO
Longmont, CO
Paws in the Park
Oct 7, 2023
Glenwood Springs, CO
Halloween Hustle for Charity 5K
Oct 28, 2023
Denver, CO
Grace Race 5K
Oct 7, 2023
UpStander 5K
Oct 7, 2023
The Odyssey Odyssey
Oct 22, 2023
DU Crimson Classic 5K
Oct 27, 2023
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
Colorado Springs, CO
Trek the Trail 5K
Oct 21, 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
Bobcat Trail Race
Oct 19, 2024
Aurora, CO
RMRR Trophy Series - October
Oct 6, 2024
Colorado Brewery Running Series
Oct 12, 2024
Expo Park XC
Oct 13, 2024
Idaho Springs, CO
Halloween Fun Run
Oct 28, 2023
Grand Junction, CO
FAMpoint5K
Oct 7, 2023
Howl-o-ween 5K & 2K Fun Run and Dog Walk
Oct 30, 2023
Steamboat Springs, CO
Foundry Halloween 5K
Oct 26, 2024
Centennial, CO
Hoofin' It Through the Hollows 5K
Oct 21, 2023
Buena Vista, CO
Hallowiener 5K
Oct 26, 2024
Westminster, CO
Hyland Hills Hockey Jag Jog 5K
Oct 6, 2023
Big Waves Family 5K
Oct 5, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
Laramie, WY
Full Moon 5K Costume Run
Oct 28, 2023
Manitou Springs, CO
Mustang 5K
Oct 5, 2024
Erie, CO
Eerie Erie
Oct 28, 2023
Castle Rock, CO
Castle Rock Trail Festival
Oct 5, 2024
Littleton, CO
Get Your Rear in Gear - Denver Metro
Oct 7, 2023
The Stride
Oct 29, 2023
Spooky Sprint
Oct 5, 2024
Go Big or Go Gnome 5K
Oct 13, 2024
Boulder, CO
Boulder XC Series Meet 1
Oct 14, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
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
Trinidad, CO
Dead Man 5K Trail Run
Oct 5, 2024
Gunnison, CO
Sage Burner Trail Run
Oct 12, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Lakewood, CO
West Side Best Side Cross Country Race
Oct 22, 2023
Palmer Lake, CO
YMCA Creepy Crawl 5K
Oct 26, 2024
Cedaredge, CO
Cedarmesa Scenic Peach Loop 5K
Oct 14, 2023
AppleFest 5K
Oct 5, 2024
Cedar Mesa Peach Loop 5K
Oct 12, 2024
Fort Collins, CO
Mustang Music 5K
Oct 14, 2023
Run Fur Fun 5K
Oct 28, 2023
Colorado Brewery Running Series
Oct 6, 2024
Long View Marathon
Oct 12, 2024
CSU Homecoming 5K
Oct 26, 2024
Severance, CO
Howl-O-Ween 5K
Oct 21, 2023
Grant, NE
Pink October 5K
Oct 7, 2023
Parachute, CO
5k Buck Fever Fun Run
Oct 21, 2023
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City Location
1. AppleFest 5K
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Oct 5, 2024Saturday
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5K run
More Information
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Cedaredge, CO
166 miles point to pointDelta County, CO
2. Aspen parkrun
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Oct 5, 2024Saturday
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5K run
More Information
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Aspen, CO
104 miles point to pointPitkin County, CO
3. Big Waves Family 5K
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Oct 5, 2024Saturday
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5K run
More Information
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Westminster, CO
7 miles point to pointAdams County, COJefferson County, CO
4. Castle Rock Trail Festival
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Oct 5, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
26 miles point to pointDouglas County, CO
5. Dead Man 5K Trail Run
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Oct 5, 2024Saturday
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5K run
More Information
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Trinidad, CO
180 miles point to pointLas Animas County, CO
6. Its Fall Yall 5K and K9 Canter 1M Fun Run
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Oct 5, 2024Saturday
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5K, 1M run
More Information
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Thornton, CO
9 miles point to pointAdams County, CO
7. Mustang 5K
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Oct 5, 2024Saturday
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5K run
More Information
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Manitou Springs, CO
61 miles point to pointEl Paso County, CO
8. Not So Flatt Breast Cancer Awareness Run/Walk
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Oct 5, 2024Saturday
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10K, 5K run
More Information
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Westminster, CO
7 miles point to pointAdams County, COJefferson County, CO
9. South Boulder Creek parkrun
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Oct 5, 2024Saturday
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5K run
More Information
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Boulder, CO
24 miles point to pointBoulder County, CO
10. Spooky Sprint
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Oct 5, 2024Saturday
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13.1M, 10K, 5K, 1M run | kids run
More Information
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Littleton, CO
9 miles point to pointArapahoe County, CO
11. Colorado Brewery Running Series
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Oct 6, 2024Sunday
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13.1M, 5K run
More Information
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Fort Collins, CO
59 miles point to pointLarimer County, CO
12. Hot Chocolate 15K/5K - Denver
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Oct 6, 2024Sunday
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15K, 5K run
More Information
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Denver, CO
Denver County, CO
13. Hyland Hills Hockey Jag Jog 5K
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Past DateOct 6, 2023Friday
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5K run
More Information
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Westminster, CO
7 miles point to pointAdams County, COJefferson County, CO
14. Michael J. Fox Foundation Run
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Oct 6, 2024Sunday
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5K run
More Information
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Denver, CO
Denver County, CO
15. 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
63 miles point to pointEl Paso County, CO
16. 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
8 miles point to pointArapahoe County, CO
17. Spooky Sprint - Colorado Springs
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Oct 6, 2024Sunday
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13.1M, 10K, 5K, 1M run | kids run
More Information
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Colorado Springs, CO
63 miles point to pointEl Paso County, CO
18. Windsor Marathon
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Oct 6, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
More Information
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Windsor, CO
51 miles point to pointWeld County, CO
19. 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
194 miles point to pointMesa County, CO
20. Get Your Rear in Gear - Denver Metro
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Past DateOct 7, 2023Saturday
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5K run | kids run
More Information
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Littleton, CO
9 miles point to pointArapahoe 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.