2017 - 2018 California Ultramarathon Calendar

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

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185 races

West Coast 50K

50K
February 19, 2017 Race day in 28 days
USA / Pacific / California / San Jose
Ultramarathon - 50 kilometers
West Coast Trail Runs Hilly Trail

Orange Curtain

Orange Curtain 100K
February 25, 2017 Race day in about 1 month
USA / Pacific / California / Liberty Park, Cerritos
Ultramarathon - 100 kilometers
Road Running

Orange Curtain

Orange Curtain 50K Afternoon
February 25, 2017 Race day in about 1 month
USA / Pacific / California / Liberty Park, Cerritos
Ultramarathon - 50 kilometers
Road Running

Orange Curtain

Orange Curtain 50K Morning
February 25, 2017 Race day in about 1 month
USA / Pacific / California / Liberty Park, Cerritos
Ultramarathon - 50 kilometers
Road Running

Salmon Falls 50K

February 25, 2017 Race day in about 1 month
USA / Pacific / California / Pilot Hill
Ultramarathon - 50 kilometers
Trail

Sycamore 100k

February 25, 2017 Race day in about 1 month
USA / Pacific / California / Poway
Ultramarathon - 100 kilometers
Trail Relay

Old West Trails Fest

50K Ultra
March 04, 2017 Race day in about 1 month
USA / Pacific / California / Julian
Ultramarathon - 50 kilometers
Desert Trail

Way Too Cool 50k

March 04, 2017 Race day in about 1 month
USA / Pacific / California / Cool
Ultramarathon - 50 kilometers
Trail

Marin Ultra Challenge

Marin Ultra Challenge 50K
March 11, 2017 Race day in about 2 months
USA / Pacific / California / Fort Baker, Sausalito
Ultramarathon - 50 kilometers
Hilly Trail Inside Trail Racing

Marin Ultra Challenge

Marin Ultra Challenge 50 Mile
March 11, 2017 Race day in about 2 months
USA / Pacific / California / Fort Baker, Sausalito
Ultramarathon - 50 miles
UTMB Qualifier Hilly Trail Inside Trail Racing

VALENCIA Trail Race

50K Ultra
March 25, 2017 Race day in 2 months
USA / Pacific / California / 29889, San Francisquito Canyon Road
Ultramarathon - 50 kilometers
Trail

Nine Trails 35 Mile Endurance Run

March 25, 2017 Race day in 2 months
USA / Pacific / California / Santa Barbara
Ultramarathon - 35 miles
Hilly Trail All we do is run

American River 50-mile Endurance Run

April 01, 2017 Race day in 2 months
USA / Pacific / California / Sacramento
Ultramarathon - 50 miles
Trail

Old Goats 50 Mile Trail Race

Old Goats 50K Trail Race
April 01, 2017 Race day in 2 months
USA / Pacific / California / Cleveland National Forest
Ultramarathon - 50 kilometers
Trail Old Goat Trail Races

Old Goats 50 Mile Trail Race

Old Goats 50 Mile Trail Race
April 01, 2017 Race day in 2 months
USA / Pacific / California / Cleveland National Forest
Ultramarathon - 50 miles
Trail Old Goat Trail Races