2015 - 2016 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 202 races.

202 races

The Loco Go Big or Go Home Challenge

Loco 50K
  • May 30, 2015 - 07:00
  • North America | USA | Pacific | California | Butte Meadows
  • Ultramarathon - 50 kilometers

Loco Half Marathon

Loco 50K
  • May 30, 2015 - 07:00
  • North America | USA | Pacific | California | Chico
  • Ultramarathon - 50 kilometers

San Francisco 50 & 100 Mile Endurance Runs

San Francisco 100 Mile Endurance Run
  • May 30, 2015 - 07:00
  • North America | 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
  • May 30, 2015 - 07:00
  • North America | USA | Pacific | California | Rodeo Beach, Golden Gate National Recreation, CA
  • Ultramarathon - 50 miles
  • Hilly Trail Coastal Trail Runs

Rim to Rim Trail Run

Rim to Rim Trail Run - 50M
  • June 06, 2015 Inaugural race
  • North America | USA | Pacific | California | Chico
  • Ultramarathon - 50 miles
  • Trail

San Diego 100 Mile Endurance Run

  • June 06, 2015 - 06:00
  • North America | USA | Pacific | California | Laguna
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail Western States Qualifier

Shadow of the Giants

Shadow of the Giants 50K Trail Run
  • June 06, 2015
  • North America | USA | Pacific | California | Fish Camp
  • Ultramarathon - 50 kilometers
  • Trail

Rodeo Valley Trail Run

Rodeo Valley Trail Run Spring 50K
  • June 13, 2015 - 08:30
  • North America | USA | Pacific | California | Rodeo Beach
  • Ultramarathon - 50 kilometers
  • Inside Trail Racing Trail

San Lorenzo River Trail Run

San Lorenzo River Trail Run 50 km
  • June 13, 2015 - 08:00
  • North America | USA | Pacific | California | Harvey West Park, Santa Cruz
  • Ultramarathon - 50 kilometers
  • Trail Coastal Trail Runs

Canyon Meadow Trail Run (June)

Canyon Meadow 50 km Trail Run (May)
  • June 20, 2015 - 08:00
  • North America | USA | Pacific | California | Oakland
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Burton Creek Trail Run

Burton Creek Trail Run 50K
  • June 21, 2015
  • North America | USA | Pacific | California | Tahoe City
  • Ultramarathon - 50 kilometers
  • Trail Tahoe Trail Running Series

Western States Endurance Run

  • June 27, 2015 - 05:00
  • North America | USA | Pacific | California | Squaw Valley
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail Western States Qualifier Ultra-Trail World Tour circuit

Golden Gate Trail Run (summer)

Golden Gate Trail Run 50 km (summer)
  • July 11, 2015 - 08:00
  • North America | USA | Pacific | California | Rodeo Beach, Golden Gate National Recreation Area
  • Ultramarathon - 50 kilometers
  • Trail Coastal Trail Runs

Mt. Disappointment Endurance Runs

Mt. Disappointment 50K Endurance Run
  • July 11, 2015 - 06:30
  • North America | USA | Pacific | California | Mt. Wilson
  • Ultramarathon - 50 kilometers
  • Trail

Mt. Disappointment Endurance Runs

Mt. Disappointment 50 Mile Endurance Run
  • July 11, 2015
  • North America | USA | Pacific | California | Mt. Wilson
  • Ultramarathon - 50 miles
  • Trail