Discover The Best California Ultramarathons
Explore our comprehensive list of ultramarathons in California to find the perfect race for you.
upcoming ultramarathons in California
May 30, 2026
/
Oakland
May 30, 2026
/
Bishop
June 6, 2026
/
June 6, 2026
/
June 20, 2026
/
San Diego
June 27, 2026
/
Auburn
July 11, 2026
/
Santa Cruz
August 2, 2026
/
Castro Valley
August 15, 2026
/
Oakland
September 6, 2026
/
Walnut Creek
September 11, 2026
/
Mendocino
September 12, 2026
/
Berkeley
September 25, 2026
/
Mammoth Lakes
October 4, 2026
/
Huntington Beach
October 8, 2026
/
October 10, 2026
/
San Francisco
October 10, 2026
/
Auburn
October 11, 2026
/
October 16, 2026
/
Lake Tahoe
October 17, 2026
/
Geyserville
October 17, 2026
/
San Diego
October 17, 2026
/
Redding
October 17, 2026
/
Julian
January 9, 2027
/
San Diego