2015 - 2016 California Ultramarathon Calendar

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

199 races

Armstrong Redwoods

Armstrong Redwoods 50K
  • May 02, 2015 - 08:30
  • North America | USA | Pacific | California | Guerneville
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Canyons 50K Trail Run

  • May 02, 2015 - 07:30
  • North America | USA | Pacific | California | Foresthill
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Me-Ow

Me-Ow Quads
  • May 02, 2015
  • North America | USA | Pacific | California | Whiskeytown
  • Ultramarathon - 104.8 miles
  • Charity Trail Shasta Trail Runs Mountain

Me-Ow

Me-Ow Siamese
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | Whiskeytown
  • Ultramarathon - 42.4 miles
  • Charity Trail Shasta Trail Runs Mountain

Miwok 100K Trail Race

  • May 02, 2015 - 05:40
  • North America | USA | Pacific | California | Rodeo Lagoon
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Trail Western States Qualifier

Nirvana Ultra Big Bear

Nirvana Ultra Big Bear 100K
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | San Bernardino National Forest
  • Ultramarathon - 100 kilometers
  • Trail Nirvana Racing Co. Ultra Marathons Mountain

Nirvana Ultra Big Bear

Nirvana Ultra Big Bear 100 Mile
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | San Bernardino National Forest
  • Ultramarathon - 100 miles
  • Trail Nirvana Racing Co. Ultra Marathons Mountain

Nirvana Ultra Big Bear

Nirvana Ultra Big Bear 50K
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | San Bernardino National Forest
  • Ultramarathon - 50 kilometers
  • Trail Nirvana Racing Co. Ultra Marathons Mountain

Nirvana Ultra Big Bear

Nirvana Ultra Big Bear 50 Mile
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | San Bernardino National Forest
  • Ultramarathon - 50 miles
  • Trail Nirvana Racing Co. Ultra Marathons Mountain

Wild Wild West Marathon

Wild Wild West 50K Ultra
  • May 02, 2015 - 06:00
  • North America | USA | Pacific | California | Lone Pine
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Badwater Salton Sea

  • May 03, 2015
  • North America | USA | Pacific | California | Salton City
  • Ultramarathon - 81 miles
  • Desert Team Trail Mountain

Cinderella Trail Run (May)

Cinderella Trail Run 50 km (May)
  • May 09, 2015 - 08:00
  • North America | USA | Pacific | California | Joaquin Miller Park, Oakland
  • Ultramarathon - 50 kilometers
  • Trail Coastal Trail Runs

Gold Rush 50K

  • May 09, 2015
  • North America | USA | Pacific | California | Folsom
  • Ultramarathon - 50 miles
  • Trail

PCT50 Trail Run

  • May 09, 2015 - 06:00
  • North America | USA | Pacific | California | Cleveland National Forest
  • Ultramarathon - 50 miles
  • Trail

Quicksilver 50K and 100K Endurance Run

Quicksilver 100K Endurance Run
  • May 09, 2015 - 06:00
  • North America | USA | Pacific | California | Amalden
  • Ultramarathon - 100 miles
  • Hilly Trail