Upcoming Races in Colorado
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
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
81. REVEL Rockies
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Jun 1, 2024Saturday
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26.2M, 13.1M run
More Information
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
82. Rockies 5K
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Jun 1, 2024Saturday
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5K run | kids run
More Information
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Denver, CO
Denver County, CO
83. South Boulder Creek parkrun
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Jun 1, 2024Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
84. StepUp For Women and Recovery
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Jun 1, 2024Saturday
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5K run
More Information
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Fort Collins, CO
Larimer County, CO
85. Colorado 13er
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Jun 2, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Louisville, CO
Boulder County, CO
86. Crazy Legs 10K+ Trail Run
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Jun 2, 2024Sunday
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10K trail run
More Information
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Loveland, CO
Larimer County, CO
87. Dialysis Dash 5K
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Jun 2, 2024Sunday
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5K run
More Information
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Grand Junction, CO
Mesa County, CO
88. Fish Hatchery 5K
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Jun 2, 2024Sunday
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5K trail run | kids run
More Information
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Leadville, CO
Lake County, CO
89. Flamingo Day 5K
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Jun 2, 2024Sunday
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5K run
More Information
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Denver, CO
Denver County, CO
90. Great Divide Ultra
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Jun 2, 2024Sunday
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50K, 25K trail run
More Information
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Divide, CO
Teller County, CO
91. RMRR Trophy Series - June
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Jun 2, 2024Sunday
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4K run
More Information
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Denver, CO
Denver County, CO
92. Steamboat Marathon
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Jun 2, 2024Sunday
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26.2M, 13.1M, 10K run | kids run
More Information
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Boston Marathon Qualifier
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Steamboat Springs, CO
Routt County, CO
93. Stepping Stone 5K
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Jun 2, 2024Sunday
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5K, 2.5K run
More Information
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Littleton, CO
Arapahoe County, CO
94. Boulder Stroke & Stride Series
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Jun 5, 2024Wednesday
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aquathon | 5K run
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Boulder, CO
Boulder County, CO
95. BRR All Comers Summer Track and Field Series
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Jun 6, 2024Thursday
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track meet
More Information
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Boulder, CO
Boulder County, CO
96. Mountain Games - Rocky Dog Trail Run
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Jun 6, 2024Thursday
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5K trail run
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Vail, CO
Eagle County, CO
97. Mountain Games - Apres 5K
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Jun 7, 2024Friday
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5K trail run
More Information
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Vail, CO
Eagle County, CO
98. Ragnar Trail Colorado
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Jun 7, 2024Friday
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120M relay
More Information
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Snowmass Village, CO
Pitkin County, CO
99. All-Out Summer Breeze
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Jun 8, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
100. Aspen parkrun
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Jun 8, 2024Saturday
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5K run
More Information
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Aspen, CO
Pitkin 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.