2015 - 2016 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 199 races.

199 races

American River 50-mile Endurance Run

  • April 04, 2015 - 06:00
  • North America | USA | Pacific | California | Sacramento
  • Ultramarathon - 50 miles
  • Trail

Grizzly Peak Trail Run

Grizzly Peak 50 Km Trail Run
  • April 04, 2015 - 08:00
  • North America | USA | Pacific | California | Berkeley
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Ragnar Relay So Cal

  • April 10, 2015
  • North America | USA | Pacific | California | Huntington Beach
  • Ultramarathon - 200 miles
  • Relay Ragnar Relay Series

Lake Sonoma 50

  • April 11, 2015 - 06:30
  • North America | USA | Pacific | California | Geyserville
  • Ultramarathon - 50 miles
  • Hilly Trail

Oriflamme 50k

  • April 11, 2015 - 07:00
  • North America | USA | Pacific | California | Julian
  • Ultramarathon - 50 kilometers
  • Desert Trail

Woodside Crossover /Purisima Creek Crossover

Woodside Crossover 50K
  • April 12, 2015 - 08:30
  • North America | USA | Pacific | California | Woodside
  • Ultramarathon - 50 kilometers
  • Walk Inside Trail Racing Trail

Diablo Trails Challenge

Diablo Trails Challenge 50K
  • April 18, 2015
  • North America | USA | Pacific | California | Walnut Creek
  • Ultramarathon - 50 kilometers
  • Trail Brazen Racing

Leona Divide 50/50

Leona Divide 50K
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Lake Hughes
  • Ultramarathon - 50 kilometers
  • UTMB Qualifier Trail

Leona Divide 50/50

Leona Divide 50 Miles
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Lake Hughes
  • Ultramarathon - 50 miles
  • UTMB Qualifier Trail

Mokelumne River 50M/50K/Marathon/Half Marathon/8M

Mokelumne River 50K
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Valley Springs
  • Ultramarathon - 50 kilometers
  • Trail Elemental Running and Training

Mokelumne River 50M/50K/Marathon/Half Marathon/8M

Mokelumne River 50M
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Valley Springs
  • Ultramarathon - 50 miles
  • Trail Elemental Running and Training

Ruth Anderson Ultras

Ruth Anderson 100k
  • April 19, 2015
  • North America | USA | Pacific | California | San Francisco
  • Ultramarathon - 100 kilometers

Ruth Anderson Ultras

Ruth Anderson 50k
  • April 19, 2015
  • North America | USA | Pacific | California | San Francisco
  • Ultramarathon - 50 kilometers

Ruth Anderson Ultras

Ruth Anderson 50M
  • April 19, 2015
  • North America | USA | Pacific | California | San Francisco
  • Ultramarathon - 50 miles

Folsom Lake Trail Run

Folsom Lake Trail 50K Run
  • April 25, 2015 - 08:00
  • North America | USA | Pacific | California | Folsom Point
  • Ultramarathon - 50 kilometers
  • Inside Trail Racing Trail