Upcoming Races in Douglas County, CO
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. Mountain Ridge Trail Race
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Apr 30, 2023Sunday
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22M, 13.1M, 10K trail run
More Information
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Highlands Ranch, CO
Douglas County, CO
2. Greenland Trail Races
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May 6, 2023Saturday
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50K, 25K, 8M, 4M trail run
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Larkspur, CO
Douglas County, CO
3. Rock Hawk Trail Races
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May 6, 2023Saturday
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13.1M, 10K, 5K trail run
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Castle Rock, CO
Douglas County, CO
4. HRCA Mother's Day 5K
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May 13, 2023Saturday
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5K run
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Highlands Ranch, CO
Douglas County, CO
5. Rylie's Run
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May 14, 2023Sunday
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5K run
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Castle Rock, CO
Douglas County, CO
6. Climb 4 Change
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Jun 10, 2023Saturday
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stair climb
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Castle Rock, CO
Douglas County, CO
7. Cattle Crossing 5K and Family Fun Trek
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Jun 17, 2023Saturday
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5K run | kids run
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Parker, CO
Douglas County, CO
8. Chase the Moon 12-Hour Endurance Run
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Jun 30, 2023Friday
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12H trail run | 12H relay
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Highlands Ranch, CO
Douglas County, CO
9. July 4th ROCK-IT Run
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Jul 4, 2023Tuesday
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13.1M, 5K run | 13.1M relay | kids run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
10. Freedom 4 Miler
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Jul 8, 2023Saturday
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4M, 1M run
Virtual OptionMore Information
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Lone Tree, CO
Douglas County, CO
11. Kids' TRY-athlon
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Jul 15, 2023Saturday
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youth triathlon
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Parker, CO
Douglas County, CO
12. Prairie Dog Half and 10K - Castle Rock
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Jul 15, 2023Saturday
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13.1M, 10K, 5K run
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Castle Rock, CO
Douglas County, CO
13. South Suburban Youth & Adult Beginner TRYathlon
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Jul 29, 2023Saturday
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triathlon | youth triathlon
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Lone Tree, CO
Douglas County, CO
14. Unicorn 5K South
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Aug 5, 2023Saturday
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5K run
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Highlands Ranch, CO
Douglas County, CO
15. Reece's Roundup
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Aug 12, 2023Saturday
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10K, 5K run
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Castle Rock, CO
Douglas County, CO
16. Labor Day Half Marathon
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Sep 4, 2023Monday
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13.1M, 10K, 5K run
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Parker, CO
Douglas County, CO
17. Battle by the Brook
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Sep 23, 2023Saturday
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6H adventure race
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Deckers, CO
Douglas County, CO
18. So Long to Summer 5K
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Sep 23, 2023Saturday
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5K run
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Parker, CO
Douglas County, CO
19. Indian Creek Fifties
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Oct 14, 2023Saturday
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50M, 55K, 15M, 5M trail run
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Sedalia, CO
Douglas County, CO
20. HRCA Backcountry Wilderness Half Marathon
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Nov 4, 2023Saturday
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13.1M trail run
More Information
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Highlands Ranch, CO
Douglas 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.