2017 - 2018 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 185 races.

185 races

Quad Dipsea

November 25, 2017 Race day in 3 days
USA / Pacific / California / Mill Valley
Ultramarathon
Hilly Trail

Santa Barbara Red Rock Trail Run

November 25, 2017 Race day in 3 days
USA / Pacific / California / Santa Barbara
Ultramarathon
Trail All we do is run

High Desert 50K Ultramarathon and 30K

December 03, 2017 Race day in 11 days
USA / Pacific / California / Ridgecrest
Ultramarathon
Trail

Rodeo Beach

December 09, 2017 Race day in 17 days
USA / Pacific / California / Rodeo Beach
Ultramarathon
Trail Pacific Trail Runs

Spooner's Cove Trail Run

December 10, 2017 Race day in 18 days
USA / Pacific / California / Montaña de Oro State Park
Ultramarathon
Coastal Trail Runs Trail

Pacifica Foothills Trail Run

January 13, 2018 Race day in about 2 months
USA / Pacific / California / Pacifica
Ultramarathon
Trail Inside Trail Racing Walk

San Diego 50

January 13, 2018 Race day in about 2 months
USA / Pacific / California / Dieguito River Park, Escondido
Ultramarathon
Trail

Steep Ravine Trail Run

January 13, 2018 Race day in about 2 months
USA / Pacific / California / Stinson Beach
Ultramarathon
Coastal Trail Runs Trail

Crystal Springs Trail Run

January 21, 2018 Race day in 2 months
USA / Pacific / California / Woodside
Ultramarathon
Coastal Trail Runs Hilly Trail

Sean O'Brian Trail Runs

February 03, 2018 Race day in 2 months
USA / Pacific / California / Malibu Creek State Park
Ultramarathon
Hilly Trail Western States Qualifier

Sean O'Brian Trail Runs

February 03, 2018 Race day in 2 months
USA / Pacific / California / Malibu Creek State Park
Ultramarathon
Hilly Trail

Sean O'Brian Trail Runs

February 03, 2018 Race day in 2 months
USA / Pacific / California / Malibu Creek State Park
Ultramarathon
Hilly Trail
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