2016 - 2017 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 188 races.

188 races

Gold Rush 50K

2016-05-14
USA / Pacific / California / Folsom
Ultramarathon - 50 miles
Trail

Me-Ow

Me-Ow Quads
2016-05-14
USA / Pacific / California / Whiskeytown
Ultramarathon - 104.800 miles
Charity Trail Shasta Trail Runs Mountain

Me-Ow

Me-Ow Siamese
2016-05-14
USA / Pacific / California / Whiskeytown
Ultramarathon - 42.400 miles
Charity Trail Shasta Trail Runs Mountain

PCT50 Trail Run

2016-05-14
USA / Pacific / California / Cleveland National Forest
Ultramarathon - 50 miles
Trail

Quicksilver 50K and 100K Endurance Run

Quicksilver 100K Endurance Run
2016-05-14
USA / Pacific / California / Amalden
Ultramarathon - 100 miles
Hilly Trail Western States Qualifier

Quicksilver 50K and 100K Endurance Run

Quicksilver 50K Endurance Run
2016-05-14
USA / Pacific / California / Amalden
Ultramarathon - 50 kilometers
Hilly Trail

Ohlone Wilderness 50K Trail Run

2016-05-22
USA / Pacific / California / Fremont
Ultramarathon - 50 kilometers
Trail

San Francisco 50 & 100 Mile Endurance Runs

San Francisco 100 Mile Endurance Run
2016-05-28
USA / Pacific / California / Rodeo Beach, Golden Gate National Recreation, CA
Ultramarathon - 100 miles
Hilly Trail Coastal Trail Runs

San Francisco 50 & 100 Mile Endurance Runs

San Francisco 50 Mile Endurance Run
2016-05-28
USA / Pacific / California / Rodeo Beach, Golden Gate National Recreation, CA
Ultramarathon - 50 miles
Hilly Trail Coastal Trail Runs

San Diego 100 Mile Endurance Run

2016-06-03
USA / Pacific / California / Laguna
Ultramarathon - 100 miles
UTMB Qualifier Trail Western States Qualifier

Loco Half Marathon

Loco 50K
2016-06-04
USA / Pacific / California / Chico
Ultramarathon - 50 kilometers

The Loco Go Big or Go Home Challenge

Loco 50K
2016-06-04
USA / Pacific / California / Butte Meadows
Ultramarathon - 50 kilometers

Rim to Rim Trail Run

50M
2016-06-11
USA / Pacific / California / Chico
Ultramarathon - 50 miles
Trail

Rodeo Valley Trail Run

Rodeo Valley Trail Run Spring 50K
2016-06-11
USA / Pacific / California / Rodeo Beach
Ultramarathon - 50 kilometers
Trail Inside Trail Racing

Shadow of the Giants

Shadow of the Giants 50K Trail Run
2016-06-11
USA / Pacific / California / Fish Camp
Ultramarathon - 50 kilometers
Trail