October 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.
81. Foundry Halloween 5K
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Oct 26, 2024Saturday
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5K run
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Steamboat Springs, CO
Routt County, CO
82. Hallowiener 5K
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Oct 26, 2024Saturday
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5K run
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Buena Vista, CO
Chaffee County, CO
83. MonsterDash Run - Denver
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Oct 26, 2024Saturday
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10K, 5K, 1M run | kids run
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Denver, CO
Denver County, CO
84. South Boulder Creek parkrun
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Oct 26, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
85. All-Out Kooky-Spooky
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Oct 27, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Golden, CO
Jefferson County, CO
86. DU Crimson Classic 5K
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Past DateOct 27, 2023Friday
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5K, 1.5M run
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Denver, CO
Denver County, CO
87. Ghosts and Goblins 5K/10K
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Oct 27, 2024Sunday
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10K, 5K run
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Denver, CO
Denver County, CO
88. MonsterDash Run - Louisville
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Oct 27, 2024Sunday
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10K, 5K trail run | kids run
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Louisville, CO
Boulder County, CO
89. Narrowleaf Lake Run
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Oct 27, 2024Sunday
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10M, 7M, 4M run | kids run
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Loveland, CO
Larimer County, CO
90. Boulder XC Series Meet 2
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Past DateOct 28, 2023Saturday
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4K, 2.5K, 1K run
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Boulder, CO
Boulder County, CO
91. Eerie Erie
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Past DateOct 28, 2023Saturday
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10K, 5K run | kids run
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Erie, CO
Weld County, CO
92. Halloween Fun Run
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Past DateOct 28, 2023Saturday
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5K, 1M run
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Idaho Springs, CO
Clear Creek County, CO
93. Halloween Hootenanny Monster Dash 5K
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Past DateOct 28, 2023Saturday
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5K run
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Pagosa Springs, CO
Archuleta County, CO
94. Halloween Hustle for Charity 5K
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Past DateOct 28, 2023Saturday
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5K, 1.5K run | kids run
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Glenwood Springs, CO
Garfield County, CO
95. Hell Week Fitness 5K by Orangetheory Colorado
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Past DateOct 28, 2023Saturday
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5K novelty run
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Denver, CO
Denver County, CO
96. Run Fur Fun 5K
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Past DateOct 28, 2023Saturday
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5K run
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Fort Collins, CO
Larimer County, CO
97. YMCA Creepy Crawl 5K
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Past DateOct 28, 2023Saturday
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5K trail run
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Palmer Lake, CO
El Paso County, CO
98. EAPL Zombie Run 5K
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Past DateOct 29, 2023Sunday
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5K novelty run
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Evergreen, CO
Jefferson County, CO
99. Pikes Peak Road Runners Kids Fall Series
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Past DateOct 29, 2023Sunday
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kids run
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Colorado Springs, CO
El Paso County, CO
100. The Stride
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CancelledOct 29, 2023Sunday
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10K, 5K run | kids run
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Littleton, CO
Arapahoe 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.