2016 - 2017 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 194 races.

194 races

Razorback Endurance Race

Razorback 50K Endurance Race
  • 2016-03-06
  • USA | California | San Martin
  • Ultramarathon - 50 kilometers

Razorback Endurance Race

Razorback 50 Mile Endurance Race
  • 2016-03-06
  • USA | California | San Martin
  • Ultramarathon - 50 miles

Marin Ultra Challenge

Marin Ultra Challenge 50K
  • 2016-03-12
  • USA | California | Fort Baker, Sausalito
  • Ultramarathon - 50 kilometers
  • Hilly Trail Inside Trail Racing

Marin Ultra Challenge

Marin Ultra Challenge 50 Mile
  • 2016-03-12
  • USA | California | Fort Baker, Sausalito
  • Ultramarathon - 50 miles
  • UTMB Qualifier Hilly Trail Inside Trail Racing

Old West Trails 50K Ultra & 30K Fun Run

Old West Trails 50K Ultra
  • 2016-03-19
  • USA | California | Julian
  • Ultramarathon - 50 kilometers
  • Desert Trail

Canyon Meadow Trail Run (March)

Canyon Meadow 50 Km Trail Run (March)
  • 2016-03-20
  • USA | California | Oakland
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Nine Trails 35 Mile Endurance Run

  • 2016-03-26
  • USA | California | Santa Barbara
  • Ultramarathon - 35 miles
  • Hilly Trail All we do is run

Old Goats 50 Mile Trail Race

Old Goats 50K Trail Race
  • 2016-03-26
  • USA | California | Cleveland National Forest
  • Ultramarathon - 50 kilometers
  • Trail Old Goat Trail Races

Old Goats 50 Mile Trail Race

Old Goats 50 Mile Trail Race
  • 2016-03-26
  • USA | California | Cleveland National Forest
  • Ultramarathon - 50 miles
  • Trail Old Goat Trail Races

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 100 Miler
  • 2016-03-31
  • USA | California | Mountain Center
  • Ultramarathon - 100 miles
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50K
  • 2016-03-31
  • USA | California | Mountain Center
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50 Miler
  • 2016-03-31
  • USA | California | Mountain Center
  • Ultramarathon - 50 miles
  • Trail Mountain

Ragnar Relay So Cal

  • 2016-04-01
  • USA | California | Huntington Beach
  • Ultramarathon - 200 miles
  • Relay Ragnar Relay Series

American River 50-mile Endurance Run

  • 2016-04-02
  • USA | California | Sacramento
  • Ultramarathon - 50 miles
  • Trail

Grizzly Peak Trail Run

Grizzly Peak 50 Km Trail Run
  • 2016-04-02
  • USA | California | Berkeley
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs