100K races in California

Find the list of upcoming 100K races in California races below.

17 races found

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Bayshore 70.4 and Sprint Triathlon

Distance(s): 100K

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Solvang Century

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

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Bedrock Valley Trail Runs

Distance(s): 1 Mile, 100K, 10K, 50K, 5K, Half Marathon, Marathon

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Lake Sonoma 100K, 50K, TS Half Marathon

Geyserville, CA

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

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Mulholland Challenge

Agoura Hills, CA

Distance(s): 100 Mile, 100K

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Bedrock Valley Gravel Ride

Distance(s): 100K, 10K, 50K

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Badwater Salton Sea, presented by Mount to Coast

Borrego Springs, CA

Distance(s): 100K

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Ride 4A Reason 2026

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

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Finish The Ride and Finish The Run Griffith Park

Los Angeles, CA

Distance(s): 100K, 10K, 50 Mile, 50K, 5K, Half Marathon

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Santa Clarita Trail Race

Santa Clarita, CA

Distance(s): 1 Mile, 100K, 10K, 50K, 5K

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Grizzly Peak Century Ride

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

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Bike the Coast Ventura

Distance(s): 100K

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Hill Valley 88 Miler ™

Hill Valley, CA

Distance(s): 1 Mile, 100K

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Ride Santa Barbara 100

Santa Barbara, CA

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

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2026 PRE-SALE Ride Santa Barbara 100

Santa Barbara, CA

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

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Finish The Ride and Finish The Run Santa Clarita

Distance(s): 100K, 10K, 5K

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Death Valley Century

Death Valley, CA

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

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