2014 - 2015 California Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in California among 136 races.

136 races

  • Diablo 50K

    • North America | USA | Pacific | California | Clayton
    • Ultramarathon - 50 miles
    • May 10, 2014 - 08:30
    • Trail Hilly
  • PCT50 Trail Run

    • North America | USA | Pacific | California | Cleveland National Forest
    • Ultramarathon - 50 miles
    • May 10, 2014 - 06:00
    • Trail
  • Quicksilver 100K Endurance Run

    • North America | USA | Pacific | California | Amalden
    • Ultramarathon - 100 miles
    • May 10, 2014 - 06:00
    • Trail Hilly
  • Quicksilver 50K Endurance Run

    • North America | USA | Pacific | California | Amalden
    • Ultramarathon - 50 kilometers
    • May 10, 2014 - 06:00
    • Trail Hilly
  • Whoos in El Moro 50k

    • North America | USA | Pacific | California | Newport Beach
    • Ultramarathon - 50 kilometers
    • May 10, 2014 - 06:00
    • Trail Hilly
  • Bishop High Sierra Ultramarathons - 100K

    • North America | USA | Pacific | California | Bishop
    • Ultramarathon - 100 kilometers
    • May 17, 2014
    • Trail Mountain UTMB Qualifier
  • Bishop High Sierra Ultramarathons - 50K

    • North America | USA | Pacific | California | Bishop
    • Ultramarathon - 50 kilometers
    • May 17, 2014
    • Trail Mountain
  • Bishop High Sierra Ultramarathons - 50 Miles

    • North America | USA | Pacific | California | Bishop
    • Ultramarathon - 50 miles
    • May 17, 2014
    • Trail Mountain UTMB Qualifier
  • Born to Run 100K Trail Run

    • North America | USA | Pacific | California | Los Olivos
    • Ultramarathon - 100 kilometers
    • May 17, 2014 - 06:00
    • Trail
  • Born to Run 100M Trail Run

    • North America | USA | Pacific | California | Los Olivos
    • Ultramarathon - 100 miles
    • May 17, 2014 - 06:00
    • Trail
  • Born to Run 50K Trail Run

    • North America | USA | Pacific | California | Los Olivos
    • Ultramarathon - 50 kilometers
    • May 17, 2014 - 06:00
    • Trail
  • Horseshoe Lake 50K

    • North America | USA | Pacific | California | Palo Alto
    • Ultramarathon - 50 kilometers
    • May 18, 2014 - 08:00
    • Trail Hilly Walk
  • Ohlone Wilderness 50K Trail Run

    • North America | USA | Pacific | California | Fremont
    • Ultramarathon - 50 kilometers
    • May 18, 2014 - 08:00
    • Trail
  • Nanny Goat 100M Trail

    • North America | USA | Pacific | California | Riverside
    • Ultramarathon - 100 miles
    • May 24, 2014
    • Trail
  • DRTE 100K

    • North America | USA | Pacific | California | Santa Barbara
    • Ultramarathon - 100 kilometers
    • May 30, 2014 - 05:00
    • Trail