50K races in Colorado

Find the list of upcoming 50K races in Colorado races below.

30 races found

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The Grand Traverse

Crested Butte, CO

Distance(s): 100K, 50K

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RMRR Spring Marathon Training Series #1

Distance(s): 50K

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Runs With Scissors Races

Distance(s): 50K, Half Marathon, Marathon

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Greenland Trail Races

Distance(s): 50K

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Weld Your Mettle Running Festival

Distance(s): 100 Mile, 100K, 50 Mile, 50K, Marathon

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OUTLAW GRAVEL

Steamboat Springs, CO

Distance(s): 100K, 50K

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Summits Trail Runs

Distance(s): 10K, 50K

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The Hundo and The Hundito

Distance(s): 100K, 50K

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KowTown Gravel

Distance(s): 100K, 50K

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Freedom Tour Classic

Fort Collins, CO

Distance(s): 100K, 50K, 5K

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Race in the Clouds – Alma Dirt Festival 2026

Distance(s): 10K, 50K, Half Marathon, Marathon

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Silverheels Trail Runs

Distance(s): 100 Mile, 100K, 50K

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Audi Power of Four Trail Run

Distance(s): 10K, 50K

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Never Summer 100km & 60km

Distance(s): 100 Mile, 100K, 50K

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World Championship Pack Burro Race

Distance(s): 50K

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Sheep Mountain Trail Runs

Distance(s): 50K

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Continental Divide Trail Run

Steamboat Springs, CO

Distance(s): 50K

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2026 Lake Nighthorse Triathlon – Sprint and Olympic

Distance(s): 50K

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The Gunni Grinder

Distance(s): 100 Mile, 50K

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Buffalo Bicycle Classic

Distance(s): 100 Mile, 100K, 50 Mile, 50K

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