Races in Douglas County, CO
Parker, CO
Parker July 4th 5K
Jul 4, 2023
Reuter Hess Trail Race
Nov 12, 2023
Love 'em Or Leave 'em Valentine's Day 5K/10K
Feb 10, 2024
Cattle Crossing 5K
Jun 15, 2024
Kids' TRY-athlon
Jul 13, 2024
Labor Day Half Marathon
Sep 2, 2024
So Long to Summer 5K
Sep 21, 2024
Parker Parks and Recreation Turkey Day 5K
Nov 28, 2024
Castle Rock, CO
Rylie's Run
May 14, 2023
Reece's Roundup
Aug 5, 2023
ShamROCK Stampede
Mar 16, 2024
Eggstravaganza Challenge 5K
Mar 30, 2024
Rock Hawk Trail Races
Apr 27, 2024
Memorial Day Run & March
May 18, 2024
Climb 4 Change
Jun 8, 2024
July 4th ROCK-IT Run
Jul 4, 2024
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Tri the Rock
Sep 8, 2024
Castle Rock Trail Festival
Oct 5, 2024
Turkey ROCK Trot
Nov 28, 2024
Highlands Ranch, CO
Q Man Classic
Aug 12, 2023
ThunderRidge Grizzly 2 Mile
Aug 19, 2023
BackCountry 5K
Sep 17, 2023
Highlands Ranch Turkey Day 5K
Nov 23, 2023
HRCA St. Patrick's Day 5K
Mar 23, 2024
HRCA Mother's Day 5K
May 11, 2024
Mountain Ridge Trail Race
Jun 1, 2024
Chase the Moon 12-Hour Endurance Run
Jul 19, 2024
Half K For Hope
Jul 27, 2024
Unicorn 5K South
Aug 3, 2024
HRCA Backcountry Wilderness Half Marathon
Nov 2, 2024
Highlands Ranch 5K/10K
Feb 23, 2025
Lone Tree, CO
Bluffs 8K Trail Run
Aug 27, 2023
For a City 5K
Sep 16, 2023
Freedom 4 Miler
Jun 29, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Deckers, CO
Battle by the Brook
Sep 21, 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. Rylie's Run
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Past DateMay 14, 2023Sunday
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5K run
More Information
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Castle Rock, CO
Douglas County, CO
2. Parker July 4th 5K
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Past DateJul 4, 2023Tuesday
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5K run
More Information
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Parker, CO
Douglas County, CO
3. Reece's Roundup
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Past DateAug 5, 2023Saturday
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10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
4. Q Man Classic
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Past DateAug 12, 2023Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
5. ThunderRidge Grizzly 2 Mile
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Past DateAug 19, 2023Saturday
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2M run
More Information
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Highlands Ranch, CO
Douglas County, CO
6. Bluffs 8K Trail Run
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Past DateAug 27, 2023Sunday
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8K trail run
More Information
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Lone Tree, CO
Douglas County, CO
7. For a City 5K
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Past DateSep 16, 2023Saturday
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5K run
More Information
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Lone Tree, CO
Douglas County, CO
8. BackCountry 5K
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Past DateSep 17, 2023Sunday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
9. Reuter Hess Trail Race
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Past DateNov 12, 2023Sunday
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10K trail run
More Information
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Parker, CO
Douglas County, CO
10. Highlands Ranch Turkey Day 5K
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Past DateNov 23, 2023Thursday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
11. Love 'em Or Leave 'em Valentine's Day 5K/10K
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Past DateFeb 10, 2024Saturday
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10K, 5K run
More Information
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Parker, CO
Douglas County, CO
12. ShamROCK Stampede
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Past DateMar 16, 2024Saturday
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10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
13. HRCA St. Patrick's Day 5K
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Mar 23, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
14. Eggstravaganza Challenge 5K
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Mar 30, 2024Saturday
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5K run
More Information
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Castle Rock, CO
Douglas County, CO
15. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
Douglas County, CO
16. Greenland Trail Races
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May 4, 2024Saturday
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50K, 25K, 8M, 4M trail run
More Information
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Larkspur, CO
Douglas County, CO
17. HRCA Mother's Day 5K
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May 11, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
18. Memorial Day Run & March
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May 18, 2024Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
19. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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22M, 13.1M, 10K trail run
More Information
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Highlands Ranch, CO
Douglas County, CO
20. Climb 4 Change
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Jun 8, 2024Saturday
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stair climb
More Information
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Castle Rock, 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.