2017 - 2018 California Ultramarathon Calendar

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

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185 races

Crystal Springs Trail Run

Crystal Springs 50 Km Trail Run
January 21, 2017 Race day in 3 days
USA / Pacific / California / Woodside
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Trail

Folsom South Side Trail Run

Folsom South Side Trail 38 Mile Run
January 28, 2017 To be confirmed Race day in 10 days
USA / Pacific / California / Folsom
Ultramarathon - 38 miles
Hilly Trail

Folsom South Side Trail Run

Folsom South Side Trail 50K Run
January 28, 2017 To be confirmed Race day in 10 days
USA / Pacific / California / Folsom
Ultramarathon - 50 kilometers
Hilly Trail

American Canyon Ultramarathon and Trail Race

American Canyon 50K Ultramarathon
February 04, 2017 Race day in 17 days
USA / Pacific / California / Auburn
Ultramarathon - 50 kilometers
Trail

Fort Ord Trail Run

Fort Ord Trail Run 50K
February 04, 2017 Race day in 17 days
USA / Pacific / California / Salinas
Ultramarathon - 50 kilometers
Trail Inside Trail Racing

Jed Smith Ultra Classic

Jed Smith Ultra Classic - 50K
February 04, 2017 Race day in 17 days
USA / Pacific / California / Sacramento
Ultramarathon - 50 kilometers
Fast

Jed Smith Ultra Classic

Jed Smith Ultra Classic - 50 Miler
February 04, 2017 Race day in 17 days
USA / Pacific / California / Sacramento
Ultramarathon - 50 miles
Fast

Ordnance 100

February 04, 2017 Race day in 17 days
USA / Pacific / California / Fort Ord National Monument, Salinas
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Inside Trail Racing

Sean O'Brian Trail Runs

Sean O'Brian 100K Trail Run
February 04, 2017 Race day in 17 days
USA / Pacific / California / Malibu Creek State Park
Ultramarathon - 100 kilometers
Hilly Trail Western States Qualifier

Sean O'Brian Trail Runs

Sean O'Brian 50K Trail Run
February 04, 2017 Race day in 17 days
USA / Pacific / California / Malibu Creek State Park
Ultramarathon - 50 kilometers
Hilly Trail

Sean O'Brian Trail Runs

Sean O'Brian 50-Mile Trail Run
February 04, 2017 Race day in 17 days
USA / Pacific / California / Malibu Creek State Park
Ultramarathon - 50 miles
Hilly Trail

FOURmidable

50K
February 18, 2017 Race day in about 1 month
USA / Pacific / California / Cool
Ultramarathon - 50 kilometers
Trail

Montara Mountain Trail Run

50K Trail Run
February 18, 2017 Race day in about 1 month
USA / Pacific / California / Pacifica
Ultramarathon - 50 kilometers
Coastal Trail Runs Trail

Chabot Trail Run

Chabot Trail Run 50K
February 18, 2017 Race day in about 1 month
USA / Pacific / California / Lake Chabot Regional Park
Ultramarathon - 50 kilometers
Trail Inside Trail Racing

Run for Amma

Run for Amma 50K
February 18, 2017 Race day in about 1 month
USA / Pacific / California / Sunnyvale
Ultramarathon - 50 kilometers
Charity Trail