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Marathons found in California in May

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Marathons in California in May 2026

Find A Race is the US's favourite event listings site. Check out our list of May 2026 Marathons in California below.

Race Calendar: Marathons found in May

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Running Fence Run - A Celebration of Freedom and Democracy

Cotati, California
13 Sep 25 - 03 Nov 26
$50.00 - $250.00
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The Hoag OC Marathon Running Festival

Costa Mesa, California
02 May 26
Free - $125.26

Running Fence Run - A Celebration of Freedom and Democracy

Cotati, California
13 Sep 25 - 03 Nov 26
$50.00 - $250.00
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