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Ultra Marathons found in California in August

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Ultra Marathons in California in August 2025

Find A Race is the US's favourite event listings site. Check out our list of August 2025 Ultra Marathons in California below.

Race Calendar: Ultra Marathons found in August

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Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50
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Redwood (Summer) Trail Run

Oakland, California
16 Aug 25
Free - $85.80
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Redwood (Summer) Trail Run

Oakland, California
16 Aug 25
Free - $85.80

Malibu to Tahoe Annual Challenge

Anywhere, California
01 Jan 24 - 31 Dec 25
$53.75

Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
01 May 25 - 31 Oct 25
Free - $27.50
Showing 1-3 of 3 results