California Marathon Races
Upcoming marathon races in California, sorted by date.
Dec 2026
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Jan 2027
2027 International Marathons Semper Fi & America's Fund Team
Oceanside, CA · from $100
San Diego 50 & Trail Runs
Escondido, CA · from $15
SPASM Crystal Springs Trail Run
Woodside, CA · from $60
The Redding Marathon Events
Redding, CA · from $25
Feb 2027
Golden Gate Trail Run
Sausalito, CA · from $60
Montara Mountain Trail Run
Pacifica, CA · from $60
Buzz Marathon #27
San Miguel, CA · from $10
Ventura Marathon
Ventura, CA · from $160
SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K
Huntington Beach, CA · Virtual option · from $40
Mar 2027
2027 SFA Los Angeles Marathon Team
Los Angeles, CA
Catalina Island Marathon, 10K, 5K
Avalon, CA · from $25
Redwood (Spring) Trail Run
Oakland, CA · from $30
Apr 2027
Bedrock Valley Trail Runs
Hemet, CA · from $15
Bakersfield Marathon
Bakersfield, CA · Virtual option · from $10
Modesto Marathon
Modesto, CA · Virtual option · from $51
Run4Kids Ultra Running Party
Corona, CA · from $59
SPASM Lake Chabot Trail Run
Castro Valley, CA · from $60
Mountains 2 Beach Marathon and Half
Ventura, CA · from $26
Horseshoe Lake Trail Run
Los Gatos, CA · from $60
May 2027
The Hoag OC Marathon Running Festival
Costa Mesa, CA · Virtual option · from $45
2027 Avenue of the Giants Marathon
Arcata, CA · from $60
Grizzly Peak Trail Run (Postponed until 2028)
Berkeley, CA · from $60
Diablo Trail Run
Clayton, CA · from $50
Cinderella Trail Run
Oakland, CA · from $60
Jun 2027
Jul 2027
Aug 2027
Redwood (Summer) Trail Run
Oakland, CA · from $60
Garmin Marathon Ventura
Ventura, CA · from $40
Apr 2028
Race listings come from RunSignup. Dates, prices and details can change, so confirm on the race's registration page.