100Ks in Colorado on Saturdays

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1
Past Date
Jun 1, 2024
Saturday
Great Divide Ultra
100M, 100K, 50K, 25K trail run
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Divide, CO
Teller County, CO
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2
Past Date
Jun 22, 2024
Saturday
Ring the Springs
100M, 100K trail run
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Colorado Springs, CO
El Paso County, CO
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3
Jul 27, 2024
Saturday
Never Summer 100K
100K trail run
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Gould, CO
Jackson County, CO
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4
Sep 28, 2024
Saturday
Bear Chase Race - Half Marathon & 10K
100K, 50M, 50K trail run
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Lakewood, CO
Jefferson County, CO
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5
Sep 28, 2024
Saturday
Sangre de Cristo Ultras
100M, 100K, 50K trail run
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Westcliffe, CO
Custer County, CO
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6
Apr 12, 2025
Saturday
Desert RATS Trail Running Festival
100K, 50K trail run
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Fruita, CO
Mesa County, CO
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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.