Races in Douglas County, CO on Saturdays
Parker, CO
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
So Long to Summer 5K
Sep 21, 2024
Castle Rock, CO
ShamROCK Stampede
Mar 16, 2024
Eggstravaganza Challenge 5K
Mar 30, 2024
Memorial Day Run & March
May 18, 2024
Climb 4 Change
Jun 8, 2024
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Reece's Roundup
Aug 3, 2024
Castle Rock Trail Festival
Oct 5, 2024
Highlands Ranch, CO
HRCA St. Patrick's Day 5K
Mar 23, 2024
HRCA Mother's Day 5K
May 11, 2024
Mountain Ridge Trail Race
Jun 1, 2024
Half K For Hope
Jul 27, 2024
Unicorn 5K South
Aug 3, 2024
Q Man Classic
Aug 10, 2024
ThunderRidge Grizzly 2 Mile
Aug 17, 2024
HRCA Backcountry Wilderness Half Marathon
Nov 2, 2024
Lone Tree, CO
For a City 5K
Sep 16, 2023
Freedom 4 Miler
Jun 29, 2024
South Suburban Youth & Adult Beginner TRYathlon
Jul 27, 2024
Larkspur, CO
Greenland Trail Races
May 3, 2025
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Deckers, CO
Battle by the Brook
Sep 21, 2024
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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. 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
2. 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
3. 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
4. HRCA St. Patrick's Day 5K
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Past DateMar 23, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
5. Eggstravaganza Challenge 5K
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Past DateMar 30, 2024Saturday
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5K run
More Information
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Castle Rock, CO
Douglas County, CO
6. HRCA Mother's Day 5K
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Past DateMay 11, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
7. Memorial Day Run & March
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Past DateMay 18, 2024Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
8. Mountain Ridge Trail Race
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Past DateJun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
More Information
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Highlands Ranch, CO
Douglas County, CO
9. Climb 4 Change
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Past DateJun 8, 2024Saturday
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stair climb
More Information
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Castle Rock, CO
Douglas County, CO
10. Cattle Crossing 5K
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Past DateJun 15, 2024Saturday
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5K run | kids run
More Information
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Parker, CO
Douglas County, CO
11. Freedom 4 Miler
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Past DateJun 29, 2024Saturday
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4M, 1M run
Virtual OptionMore Information
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Lone Tree, CO
Douglas County, CO
12. Kids' TRY-athlon
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Past DateJul 13, 2024Saturday
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youth triathlon
More Information
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Parker, CO
Douglas County, CO
13. Prairie Dog Half and 10K - Castle Rock
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Past DateJul 20, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
14. Half K For Hope
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Jul 27, 2024Saturday
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0.5K novelty run
More Information
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Highlands Ranch, CO
Douglas County, CO
15. South Suburban Youth & Adult Beginner TRYathlon
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Jul 27, 2024Saturday
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triathlon | youth triathlon
More Information
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Lone Tree, CO
Douglas County, CO
16. Reece's Roundup
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Aug 3, 2024Saturday
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10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
17. Unicorn 5K South
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Aug 3, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
18. Q Man Classic
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Aug 10, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
Douglas County, CO
19. ThunderRidge Grizzly 2 Mile
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Aug 17, 2024Saturday
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2M run
More Information
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Highlands Ranch, CO
Douglas County, CO
20. Battle by the Brook
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Sep 21, 2024Saturday
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6H adventure race
More Information
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Deckers, 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.