2017 - 2018 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 179 races.

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179 races

Born to Run Ultra Marathons

200 Miler
May 18, 2017 Race day in 21 days
USA / Pacific / California / Los Olivos
Ultramarathon - 200 miles
Trail All we do is run

Born to Run Ultra Marathons

100 Miler
May 19, 2017 Race day in 22 days
USA / Pacific / California / Los Olivos
Ultramarathon - 100 miles
Trail All we do is run

Born to Run Ultra Marathons

30 Miler
May 20, 2017 Race day in 23 days
USA / Pacific / California / Los Olivos
Ultramarathon - 30 miles
Trail All we do is run

Born to Run Ultra Marathons

60 Miler
May 20, 2017 Race day in 23 days
USA / Pacific / California / Los Olivos
Ultramarathon - 60 miles
Trail All we do is run

Ohlone Wilderness 50K Trail Run

May 21, 2017 Race day in 24 days
USA / Pacific / California / Fremont
Ultramarathon - 50 kilometers
Trail

Coyote Lake Trail Run

50K
June 03, 2017 Race day in about 1 month
USA / Pacific / California / Santa Clara
Ultramarathon - 50 kilometers
West Coast Trail Runs Hilly Trail

Loco Half Marathon

Loco 50K
June 03, 2017 Race day in about 1 month
USA / Pacific / California / Chico
Ultramarathon - 50 kilometers

The Loco Go Big or Go Home Challenge

Loco 50K
June 03, 2017 Race day in about 1 month
USA / Pacific / California / Butte Meadows
Ultramarathon - 50 kilometers

Shadow of the Giants

Shadow of the Giants 50K Trail Run
June 03, 2017 Race day in about 1 month
USA / Pacific / California / Fish Camp
Ultramarathon - 50 kilometers
Trail

Big Basin Trail Run

Big Basin Trail Run 50 km
June 04, 2017 Race day in about 1 month
USA / Pacific / California / Los Gatos
Ultramarathon - 50 kilometers
Coastal Trail Runs Trail

San Diego 100 Mile Endurance Run

June 09, 2017 Race day in about 1 month
USA / Pacific / California / Laguna
Ultramarathon - 100 miles
UTMB Qualifier Trail Western States Qualifier

Rodeo Valley Trail Run

50K
June 10, 2017 Race day in about 1 month
USA / Pacific / California / Rodeo Beach
Ultramarathon - 50 kilometers
Trail Inside Trail Racing

Canyon Meadow Trail Run (June)

Canyon Meadow 50 km Trail Run (May)
June 17, 2017 Race day in about 2 months
USA / Pacific / California / Oakland
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Trail

Western States Endurance Run

June 24, 2017 Race day in about 2 months
USA / Pacific / California / Squaw Valley
Ultramarathon - 100 miles
UTMB Qualifier Trail Western States Qualifier Ultra-Trail World Tour circuit

San Lorenzo River Trail Run

San Lorenzo River Trail Run 50 km
June 25, 2017 Race day in about 2 months
USA / Pacific / California / Harvey West Park, Santa Cruz
Ultramarathon - 50 kilometers
Coastal Trail Runs Trail