2015 - 2016 California Ultramarathon Calendar

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

199 races

Deo 25K/50K

Deo 50K

  • March 07, 2015
  • North America | USA | California | Griffith Park, Los Angeles
  • Ultramarathon - 50 kilometers

Way Too Cool 50k

  • March 07, 2015 - 08:00
  • North America | USA | Pacific | California | Cool
  • Ultramarathon - 50 kilometers
  • Trail

200 Miles Together Challenge

200 Mile Challenge

  • March 11, 2015
  • North America | USA | California | mt house
  • Ultramarathon - 200 miles

Marin Ultra Challenge

Marin Ultra Challenge 50K

  • March 14, 2015 - 06:00
  • North America | USA | California | Fort Baker, Sausalito
  • Ultramarathon - 50 kilometers
  • Hilly Inside Trail Racing Trail

Marin Ultra Challenge

Marin Ultra Challenge 50 Mile

  • March 14, 2015 - 06:00
  • North America | USA | California | Fort Baker, Sausalito
  • Ultramarathon - 50 miles
  • UTMB Qualifier Hilly Inside Trail Racing Trail

Old West Trails 50K Ultra & 30K Fun Run

Old West Trails 50K Ultra

  • March 14, 2015
  • North America | USA | California | Julian
  • Ultramarathon - 50 kilometers
  • Desert Trail

Old Goats 50 Mile Trail Race

Old Goats 50K Trail Race

  • March 21, 2015 - 06:30
  • North America | USA | Pacific | California | Cleveland National Forest
  • Ultramarathon - 50 kilometers
  • Trail Old Goat Trail Races

Old Goats 50 Mile Trail Race

  • March 21, 2015 - 06:30
  • North America | USA | Pacific | California | Cleveland National Forest
  • Ultramarathon - 50 miles
  • Trail Old Goat Trail Races

Canyon Meadow Trail Run (March)

Canyon Meadow 50 Km Trail Run (March)

  • March 22, 2015 - 08:00
  • North America | USA | Pacific | California | Oakland
  • Ultramarathon - 50 kilometers
  • Hilly Costal Trail Runs Trail

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 100 Miler

  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 100 miles
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50K

  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50 Miler

  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 50 miles
  • Trail Mountain

Nine Trails 35 Mile Endurance Run

  • March 28, 2015 - 06:00
  • North America | USA | California | Santa Barbara
  • Ultramarathon - 35 miles
  • Hilly Trail All we do is run

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 Costal Trail Runs Trail