2017 - 2018 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 181 races.

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181 races

Ruth Anderson Ultras

Ruth Anderson 50k
April 15, 2017 Race day in 23 days
USA / Pacific / California / San Francisco
Ultramarathon - 50 kilometers

Ruth Anderson Ultras

Ruth Anderson 50M
April 15, 2017 Race day in 23 days
USA / Pacific / California / San Francisco
Ultramarathon - 50 miles

Woodside Crossover /Purisima Creek Crossover

Woodside Crossover 50K
April 15, 2017 Race day in 23 days
USA / Pacific / California / Woodside
Ultramarathon - 50 kilometers
Walk Trail Inside Trail Racing

Leona Divide 50/50

50K
April 22, 2017 Race day in about 1 month
USA / Pacific / California / Lake Hughes
Ultramarathon - 50 kilometers
UTMB Qualifier Trail

Mokelumne River Trail Running Festival

50K
April 22, 2017 Race day in about 1 month
USA / Pacific / California / Valley Springs
Ultramarathon - 50 kilometers
Trail Elemental Running and Training

Leona Divide 50/50

50 Miles
April 22, 2017 Race day in about 1 month
USA / Pacific / California / Lake Hughes
Ultramarathon - 50 miles
UTMB Qualifier Trail

Razorback Endurance Race

Razorback 100K Endurance Race
April 24, 2017 Race day in about 1 month
USA / Pacific / California / San Martin
Ultramarathon - 100 kilometers

Razorback Endurance Race

Razorback 100 Mile Endurance Race
April 24, 2017 Race day in about 1 month
USA / Pacific / California / San Martin
Ultramarathon - 100 miles

Razorback Endurance Race

Razorback 50K Endurance Race
April 24, 2017 Race day in about 1 month
USA / Pacific / California / San Martin
Ultramarathon - 50 kilometers

Razorback Endurance Race

Razorback 50 Mile Endurance Race
April 24, 2017 Race day in about 1 month
USA / Pacific / California / San Martin
Ultramarathon - 50 miles

Canyons 50K Trail Run

100K
April 29, 2017 Race day in about 1 month
USA / Pacific / California / Foresthill
Ultramarathon - 100 kilometers
Trail Western States Qualifier Mountain

Canyons 50K Trail Run

50K
April 29, 2017 Race day in about 1 month
USA / Pacific / California / Foresthill
Ultramarathon - 50 kilometers
Trail Mountain

Folsom Lake Trail Run

Folsom Lake Trail 50K Run
April 29, 2017 Race day in about 1 month
USA / Pacific / California / Folsom Point
Ultramarathon - 50 kilometers
Trail Inside Trail Racing

Lost Boys 50 Mile Trail Run

April 29, 2017 Race day in about 1 month
USA / Pacific / California / Anza Borrego Desert State Park
Ultramarathon - 50 miles
Trail Mountain

Rodeo Beach Rumble 8K/Half/30K/50K

Rodeo Beach Rumble 50K
April 29, 2017 Race day in about 1 month
USA / Pacific / California / Rodeo Beach, Golden Gate National Recreation Area, Sausalito
Ultramarathon - 50 kilometers
Trail Urban Coyote Racing