July Races in Colorado on Weekends
Thornton, CO
Pirates Run for Booty
Jul 27, 2024
Denver, CO
Colorado Brewery Running Series
Jul 6, 2024
Cookie Chase 5K
Jul 13, 2024
Donor Dash
Jul 21, 2024
Denver CF Climb
Jul 27, 2024
Dash for Smiles
Jul 28, 2024
Crested Butte, CO
Grin and Bear It Trail Run
Jul 13, 2024
Colorado Springs, CO
5K To Fight Histio
Jul 16, 2023
Tracy Vsetecka Memorial 5K
Jul 22, 2023
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
Summer Sizzler
Jul 20, 2024
Pikes Peak Ultra
Jul 27, 2024
Rocky Mountain Run 5K
Jul 27, 2024
Aurora, CO
The Hero's Journey 5K
Jul 20, 2024
Golden, CO
Spirit Of The West 5K
Jul 28, 2024
Steamboat Springs, CO
Spring Creek Memorial Trail Run
Jul 20, 2024
Centennial, CO
Pancakes for PDCD 5K/10K
Jul 29, 2023
Parker, CO
Kids' TRY-athlon
Jul 13, 2024
Westminster, CO
All-Out Dog Days
Jul 13, 2024
Summer Sizzler
Jul 21, 2024
Manitou Springs, CO
Barr Trail Mountain Race
Jul 21, 2024
Pueblo, CO
Zebra Zoom at the Zoo
Jul 29, 2023
Castle Rock, CO
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Loveland, CO
NoCo All-Comers Track Meet Series #3
Jul 20, 2024
Aspen, CO
Aspen parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Aspen Valley Marathon
Jul 13, 2024
Power of Four Trail Run
Jul 20, 2024
Highlands Ranch, CO
Half K For Hope
Jul 27, 2024
Littleton, CO
Heritage Eagles 5K
Jul 20, 2024
Respect Life 5K
Jul 20, 2024
Boulder, CO
Mile High Mile
Jul 29, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Boulder Peak Triathlon
Jul 14, 2024
Tri Boulder
Jul 20, 2024
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 6, 2024
Fairplay, CO
Silverheels Trail Runs
Jul 12, 2024
Jul 13, 2024
Pagosa Springs, CO
Pagosa Duathlon
Jul 6, 2024
Fox on the Run Trail Races
Jul 20, 2024
Telluride, CO
Box Canyon Trail Races
Jul 20, 2024
Lakewood, CO
RMRR Trophy Series - July
Jul 7, 2024
Canon City, CO
Royal Gorge Whitewater Festival Trail Runs
Jul 27, 2024
Conifer, CO
Elevation Run/Walk
Jul 27, 2024
Fort Carson, CO
Tough Mudder - Colorado
Jul 20, 2024
Jul 21, 2024
Manassa, CO
Manassa Pioneer Days 5K
Jul 22, 2023
Fort Collins, CO
Colorado Brewery Running Series
Jul 13, 2024
Ignacio, CO
St. Ignatius 5K Run
Jul 29, 2023
Steamboat Lake, CO
Steamboat Lake Triathlon
Jul 28, 2024
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Red Feather Lakes, CO
5K Fun Run of Red Feather Lakes
Jul 6, 2024
Antonito, CO
Sheep Creek Triathlon
Jul 6, 2024
Hahns Peak Village, CO
Hahns Peak Vertical Trail Race
Jul 6, 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. 5K Fun Run of Red Feather Lakes
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Jul 6, 2024Saturday
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5K run
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Red Feather Lakes, CO
Larimer County, CO
2. Aspen parkrun
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Jul 6, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
3. Colorado Brewery Running Series
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Jul 6, 2024Saturday
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5K run
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Denver, CO
Denver County, CO
4. Hahns Peak Vertical Trail Race
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Jul 6, 2024Saturday
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8M trail run
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Hahns Peak Village, CO
Routt County, CO
5. Leadville Silver Rush 50M Trail Run Race
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Jul 6, 2024Saturday
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50M trail run
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Leadville, CO
Lake County, CO
6. Nielson Two Mile Challenge
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Jul 6, 2024Saturday
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2M trail run
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Colorado Springs, CO
El Paso County, CO
7. Pagosa Duathlon
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Jul 6, 2024Saturday
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olympic, sprint offroad duathlon | youth duathlon
More Information
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Pagosa Springs, CO
Archuleta County, CO
8. Sheep Creek Triathlon
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Jul 6, 2024Saturday
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3M triathlon
More Information
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Antonito, CO
Conejos County, CO
9. Silverton Alpine Marathon & 50K
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Jul 6, 2024Saturday
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50K, 26.2M, 8M run
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Silverton, CO
San Juan County, CO
10. South Boulder Creek parkrun
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Jul 6, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
11. Vail HillClimb
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Jul 6, 2024Saturday
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7.5M trail run
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Vail, CO
Eagle County, CO
12. Kendall Mountain Run
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Jul 7, 2024Sunday
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12M, 11K trail run
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Silverton, CO
San Juan County, CO
13. RMRR Trophy Series - July
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Jul 7, 2024Sunday
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2M run
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Lakewood, CO
Jefferson County, CO
14. All-Out Dog Days
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Jul 13, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Westminster, CO
Adams County, COJefferson County, CO
15. Aspen parkrun
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Jul 13, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
16. Aspen Valley Marathon
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Jul 13, 2024Saturday
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26.2M, 13.1M, 5K run
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Boston Marathon Qualifier
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Aspen, CO
Pitkin County, CO
17. Colorado Brewery Running Series
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Jul 13, 2024Saturday
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5K run
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Fort Collins, CO
Larimer County, CO
18. Cookie Chase 5K
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Jul 13, 2024Saturday
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5K run
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Denver, CO
Denver County, CO
19. Evergreen Mountain 15K
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Jul 13, 2024Saturday
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15K trail run
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Evergreen, CO
Jefferson County, CO
20. Grin and Bear It Trail Run
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Jul 13, 2024Saturday
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25K, 15K trail run
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Crested Butte, CO
Gunnison 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.