May Races in Colorado on Weekends
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
61. 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
62. Ordinary Mortals Triathlon
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May 18, 2025Sunday
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sprint triathlon | sprint triathlon relay
More Information
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Pueblo, CO
Pueblo County, CO
63. Ram Party
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Past DateMay 18, 2024Saturday
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54M, 50K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
64. Run to the Shrine
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Past DateMay 18, 2024Saturday
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4M run
More Information
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Colorado Springs, CO
El Paso County, CO
65. South Boulder Creek parkrun
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Past DateMay 18, 2024Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
66. Spirit Challenge
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Past DateMay 18, 2024Saturday
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10K, 5K run | kids run
More Information
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Steamboat Springs, CO
Routt County, CO
67. Tails on the Trail
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Past DateMay 18, 2024Saturday
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5K run
More Information
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Salida, CO
Chaffee County, CO
68. Healing Warriors Program 5K Fun Run
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Past DateMay 19, 2024Sunday
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5K run
More Information
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Fort Collins, CO
Larimer County, CO
69. Healthy Kids Running Series - Denver
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Past DateMay 19, 2024Sunday
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kids run
More Information
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Denver, CO
Denver County, CO
70. Healthy Kids Running Series - Aurora
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Past DateMay 19, 2024Sunday
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kids run
More Information
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Aurora, CO
Arapahoe County, CO
71. Miles for Smiles 5K
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Past DateMay 19, 2024Sunday
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5K run | kids run
More Information
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Arvada, CO
Jefferson County, CO
72. Ram Party
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Past DateMay 19, 2024Sunday
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26.2M, 13.1M, 9M, 5K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
73. Run to the Shrine
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Past DateMay 19, 2024Sunday
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4M run
More Information
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Colorado Springs, CO
El Paso County, CO
74. Aspen parkrun
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May 25, 2024Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
75. Front Range Classic
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May 25, 2024Saturday
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track meet
More Information
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Englewood, CO
Arapahoe County, CO
76. Healthy Kids Running Series - Fort Collins
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May 25, 2024Saturday
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kids run
More Information
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Fort Collins, CO
Larimer County, CO
77. South Boulder Creek parkrun
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May 25, 2024Saturday
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5K run
More Information
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Boulder, CO
Boulder County, CO
78. Valley Bottom Rio Trio
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May 25, 2024Saturday
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sprint dry triathlon
More Information
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Alamosa, CO
Alamosa County, CO
79. Weld Your Mettle Ultra Marathon
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May 25, 2024Saturday
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24H, 12H, 9H, 6H, 3H, 7K run | kids run
More Information
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Eaton, CO
Weld County, CO
80. Narrow Gauge 10 Mile
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May 26, 2024Sunday
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10M, 5K run
More Information
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Durango, CO
La Plata 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.