2017 - 2018 California Ultramarathon Calendar in October

Browse our Ultramarathon Calendar for races organized in California during the month of October among 17 races.

17 races

Cuyamaca 100K Endurance Run

October 07, 2017 To be confirmed Race day in 2 months
USA / Pacific / California / Cuyamaca Rancho State Park
Ultramarathon
Trail UTMB Qualifier Western States Qualifier

Skyline to the Sea Marathon & 50km

October 07, 2017 Race day in 2 months
USA / Pacific / California / Saratoga Gap, Los Gatos
Ultramarathon
Trail Pacific Trail Runs

Lake Tahoe Marathon

October 14, 2017 Race day in 3 months
USA / Pacific / California / Tahoe City
Ultramarathon
Relay

Lake Tahoe Marathon

October 14, 2017 Cancelled
USA / Pacific / California / Tahoe City
Ultramarathon

Rocky Peak Ultra Trail Race

October 14, 2017 Race day in 3 months
USA / Pacific / California / Simi Valley
Ultramarathon
Charity Trail

Twin Peaks

October 14, 2017 Race day in 3 months
USA / Pacific / California / Corona
Ultramarathon
Trail Mountain

Twin Peaks

October 14, 2017 Race day in 3 months
USA / Pacific / California / Corona
Ultramarathon
Trail Mountain

Coyote Ridge Trail Run

October 15, 2017 Race day in 3 months
USA / Pacific / California / Muir Beach
Ultramarathon
Coastal Trail Runs Hilly Trail

Eldrith Gosney’s Pure Ultra

October 21, 2017 Race day in 3 months
USA / Pacific / California / Mt. Tamalpais State Park, Mill Valley
Ultramarathon
Trail Pacific Trail Runs

Lake Hodges Trail Fest

October 28, 2017 Race day in 3 months
USA / Pacific / California / Escondido
Ultramarathon
Trail

100 Mile Endurance Challenge

No race in 2016
USA / Pacific / California / Corona
Ultramarathon
Charity Road Running

100 Mile Endurance Challenge

No race in 2016
USA / Pacific / California / Corona
Ultramarathon
Charity Road Running
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