2016 - 2017 California Ultramarathon Calendar in October

Browse our Ultramarathon Calendar for races organized in California during the month of October among 24 races.

24 races

Headwaters Ultra

Headwaters Ultra - 50K
  • 2016-10-01
  • USA | California | Mount Shasta City
  • Ultramarathon - 50 kilometers

Pacifica Summit Run 10K/Half Marathon/30K/50K

Pacifica Summit Run 50K
  • 2016-10-01
  • USA | California | San Pedro Valley State Park, Pacifica
  • Ultramarathon - 50 kilometers
  • Trail Urban Coyote Racing

Joshua Tree Ultra

100 Miler
  • 2016-10-08
  • USA | California | Twentynine Palms
  • Ultramarathon - 100 miles
  • Fast Desert Trail

Joshua Tree Ultra

50 Miler
  • 2016-10-08
  • USA | California | Twentynine Palms
  • Ultramarathon - 50 miles
  • Fast Desert Trail

Skyline to the Sea Marathon & 50km

Skyline to the Sea 50km
  • 2016-10-08
  • USA | California | Saratoga Gap, Los Gatos
  • Ultramarathon - 50 kilometers
  • Trail Pacific Trail Runs

Owen's Peak Marathon & 10 Miler Man vs Horse Trail Event

Owen's Peak Man vs Horse 50K Trail Adventure
  • 2016-10-09
  • USA | California | Inyokern
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Euchre Bar Massacre

Euchre Bar Massacre 50 M
  • 2016-10-15
  • USA | California | Foresthill
  • Ultramarathon - 50 miles
  • Trail Mountain

Twin Peaks

Twin Peaks 50 km
  • 2016-10-15
  • USA | California | Corona
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Twin Peaks

Twin Peaks 50 Miler
  • 2016-10-15
  • USA | California | Corona
  • Ultramarathon - 50 miles
  • Trail Mountain

Coyote Ridge Trail Run

Coyote Ridge 50 Km Trail Run
  • 2016-10-16
  • USA | California | Muir Beach
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Eldrith Gosney’s Pure Ultra

50 km
  • 2016-10-22
  • USA | California | Mt. Tamalpais State Park, Mill Valley
  • Ultramarathon - 50 kilometers
  • Trail Pacific Trail Runs

Weaver Basin 50K

  • 2014-10-04
  • USA | California | Weaverville
  • Ultramarathon - 50 kilometers

Cuyamaca 100K Endurance Run

  • 2015-10-03
  • USA | California | Cuyamaca Rancho State Park
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Trail Western States Qualifier

Whoos in El Moro

Whoos in El Moro 50k
  • 2015-10-03
  • USA | California | Newport Beach
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Widowmaker Trail Runs

Widowmaker Trail 50K Run
  • 2015-10-04
  • USA | California | El Cajon Wilderness
  • Ultramarathon - 50 kilometers
  • Trail