October Races within 50 miles of Evergreen, CO
Evergreen, CO
EAPL Zombie Run 5K
Oct 29, 2023
Longmont, CO
Paws in the Park
Oct 7, 2023
Denver, CO
Dare Great Things Cross Country Challenge
Oct 7, 2023
Grace Race 5K
Oct 7, 2023
Miles for Moms
Oct 7, 2023
UpStander 5K
Oct 7, 2023
The Odyssey Odyssey
Oct 22, 2023
DU Crimson Classic 5K
Oct 27, 2023
Hell Week Fitness 5K by Orangetheory Colorado
Oct 28, 2023
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 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
Woodland Park, CO
Above the Clouds Ultra
Oct 5, 2024
Centennial, CO
Hoofin' It Through the Hollows 5K
Oct 21, 2023
Westminster, CO
Hyland Hills Hockey Jag Jog 5K
Oct 6, 2023
Big Waves Family 5K
Oct 7, 2023
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
Westy Half & 5K
Oct 13, 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
Go Big or Go Gnome 5K
Oct 13, 2024
Boulder, CO
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Latino Ultra Nature Adventure
Oct 22, 2023
Boulder XC Series Meet 2
Oct 28, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Breckenridge, CO
Breckenridge Road Marathon
Oct 7, 2023
Morrison, CO
Beware the Bear Trail Races
Oct 15, 2023
Run the Rocks
Oct 13, 2024
Great Trailhead Foot Race
Oct 19, 2024
Lakewood, CO
West Side Best Side Cross Country Race
Oct 22, 2023
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Palmer Lake, CO
YMCA Creepy Crawl 5K
Oct 28, 2023
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 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.
21. Colorado Brewery Running Series
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Oct 12, 2024Saturday
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5K run
More Information
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Aurora, CO
27 miles point to pointArapahoe County, CO
22. Indian Creek Trail Runs
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Oct 12, 2024Saturday
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50M, 55K, 15M, 5M trail run
More Information
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Sedalia, CO
23 miles point to pointDouglas County, CO
23. South Boulder Creek parkrun
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Oct 12, 2024Saturday
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5K run
More Information
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Boulder, CO
26 miles point to pointBoulder County, CO
24. The Pretzel Run Colorado
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Oct 12, 2024Saturday
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10K, 5K run | kids run
More Information
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Louisville, CO
26 miles point to pointBoulder County, CO
25. bRUNch Run
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Oct 13, 2024Sunday
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10K, 5K run | kids run
More Information
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Denver, CO
19 miles point to pointDenver County, CO
26. Expo Park XC
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TentativeOct 13, 2024Sunday
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5K, 4K, 3K, 2K, 0.4M run
More Information
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Aurora, CO
27 miles point to pointArapahoe County, CO
27. Go Big or Go Gnome 5K
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Oct 13, 2024Sunday
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5K run
More Information
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Littleton, CO
16 miles point to pointArapahoe County, CO
28. Run the Rocks
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Oct 13, 2024Sunday
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5K run
More Information
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Morrison, CO
7 miles point to pointJefferson County, CO
29. Westy Half & 5K
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Oct 13, 2024Sunday
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13.1M, 5K run
More Information
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Westminster, CO
20 miles point to pointAdams County, COJefferson County, CO
30. Wild For Life Triathlon
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Oct 13, 2024Sunday
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sprint triathlon | sprint triathlon relay
More Information
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Commerce City, CO
24 miles point to pointAdams County, CO
31. Boulder XC Series Meet 1
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Past DateOct 14, 2023Saturday
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5K, 3K, 1K run
More Information
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Boulder, CO
26 miles point to pointBoulder County, CO
32. Suffer Better Fall Trail Run
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Past DateOct 14, 2023Saturday
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50K, 25K trail run
More Information
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Pine, CO
16 miles point to pointJefferson County, CO
33. Beware the Bear Trail Races
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Past DateOct 15, 2023Sunday
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14.2K, 5K, 1M trail run
More Information
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Morrison, CO
7 miles point to pointJefferson County, CO
34. Great Trailhead Foot Race
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Oct 19, 2024Saturday
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10M, 5K trail run | kids run
More Information
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Morrison, CO
7 miles point to pointJefferson County, CO
35. South Boulder Creek parkrun
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Oct 19, 2024Saturday
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5K run
More Information
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Boulder, CO
26 miles point to pointBoulder County, CO
36. Hoofin' It Through the Hollows 5K
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Past DateOct 21, 2023Saturday
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5K run
More Information
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Centennial, CO
24 miles point to pointArapahoe County, CO
37. Latino Ultra Nature Adventure
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Past DateOct 22, 2023Sunday
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55K, 13.1M, 10K, 5K run
More Information
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Boulder, CO
26 miles point to pointBoulder County, CO
38. Mines Mindful Miles 5K
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CancelledOct 22, 2023Sunday
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5K run
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Golden, CO
10 miles point to pointJefferson County, CO
39. The Odyssey Odyssey
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Past DateOct 22, 2023Sunday
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5K, 1M run
More Information
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Denver, CO
19 miles point to pointDenver County, CO
40. West Side Best Side Cross Country Race
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Past DateOct 22, 2023Sunday
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5K run
More Information
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Lakewood, CO
13 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.