2016 - 2017 California Ultramarathon Calendar in October

Browse our Ultramarathon Calendar for races organized in California during the month of October among 23 races.

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23 races

Cuyamaca 100K Endurance Run

October 01, 2016 Race day in about 1 month
USA / Pacific / California / Cuyamaca Rancho State Park
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Western States Qualifier

Headwaters Ultra

Headwaters Ultra - 50K
October 01, 2016 Race day in about 1 month
USA / Pacific / California / Mount Shasta City
Ultramarathon - 50 kilometers

Pacifica Summit Run 10K/Half Marathon/30K/50K

Pacifica Summit Run 50K
October 01, 2016 Race day in about 1 month
USA / Pacific / California / San Pedro Valley State Park, Pacifica
Ultramarathon - 50 kilometers
Trail Urban Coyote Racing

Joshua Tree Ultra

100 Miler
October 08, 2016 Race day in about 2 months
USA / Pacific / California / Twentynine Palms
Ultramarathon - 100 miles
Desert Trail Fast

Joshua Tree Ultra

50 Miler
October 08, 2016 Race day in about 2 months
USA / Pacific / California / Twentynine Palms
Ultramarathon - 50 miles
Desert Trail Fast

Dick Collins Firetrails 50

October 08, 2016 Race day in about 2 months
USA / Pacific / California / Lake Chabot
Ultramarathon - 50 miles
Trail

Skyline to the Sea Marathon & 50km

Skyline to the Sea 50km
October 08, 2016 Race day in about 2 months
USA / Pacific / California / Saratoga Gap, Los Gatos
Ultramarathon - 50 kilometers
Trail Pacific Trail Runs

Owen's Peak Marathon & 10 Miler Man vs Horse Trail Event

Owen's Peak Man vs Horse 50K Trail Adventure
October 09, 2016 Race day in about 2 months
USA / Pacific / California / Inyokern
Ultramarathon - 50 kilometers
Hilly Trail

Euchre Bar Massacre

Euchre Bar Massacre 50 M
October 15, 2016 Race day in about 2 months
USA / Pacific / California / Foresthill
Ultramarathon - 50 miles
Trail Mountain

Twin Peaks

Twin Peaks 50 km
October 15, 2016 Race day in about 2 months
USA / Pacific / California / Corona
Ultramarathon - 50 kilometers
Trail Mountain

Twin Peaks

Twin Peaks 50 Miler
October 15, 2016 Race day in about 2 months
USA / Pacific / California / Corona
Ultramarathon - 50 miles
Trail Mountain

Coyote Ridge Trail Run

Coyote Ridge 50 Km Trail Run
October 16, 2016 Race day in about 2 months
USA / Pacific / California / Muir Beach
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Trail

Eldrith Gosney’s Pure Ultra

50 km
October 22, 2016 Race day in 2 months
USA / Pacific / California / Mt. Tamalpais State Park, Mill Valley
Ultramarathon - 50 kilometers
Trail Pacific Trail Runs

Lake Hodges Trail Fest

Lake Hodges 50K
October 22, 2016 Race day in 2 months
USA / Pacific / California / Escondido
Ultramarathon - 50 kilometers
Trail

Whoos in El Moro

Whoos in El Moro 50k
October 03, 2015 The race has already taken place.
USA / Pacific / California / Newport Beach
Ultramarathon - 50 kilometers
Hilly Trail