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Marathons found in California in Summer
View all ↓Marathons in California in Summer 2026
Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 Marathons in California below.
Race Calendar: Marathons found in Summer
🚀Boosted
Griffith Park Trail Marathon Relay & 8K
Los Angeles, California
Sun 07 Jun 26
$48.70 - $293.95
🚀Boosted
San Lorenzo River Trail Run
Santa Cruz, California
Sat 11 Jul 26
Free - $85.80
Feature your event at the top of the results
San Lorenzo River Trail Run
Santa Cruz, California
Sat 11 Jul 26
Free - $85.80
San Francisco Marathon
San Francisco
Sat 25 Jul 26 - Sun 26 Jul 26
$77.19 - $421.57
Griffith Park Trail Marathon Relay & 8K
Los Angeles, California
Sun 07 Jun 26
$48.70 - $293.95
Showing 1-3 of 3 results