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Ultra Marathons found in California in May
View all ↓Ultra Marathons in California in May 2026
Find A Race is the US's favourite event listings site. Check out our list of May 2026 Ultra Marathons in California below.
Race Calendar: Ultra Marathons found in May
🚀Boosted
Cinderella Trail Run
Oakland, California
30 May 26
Free - $85.80
5.0
🚀Boosted
2026 Cal Tri Ventura - 5.3.26
Ventura, California
03 May 26
$26.29 - $526.00
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Finish The Ride and Finish The Run Griffith Park
Los Angeles, California
02 May 26 - 03 May 26
$11.60 - $85.80
2026 Cal Tri Ventura - 5.3.26
Ventura, California
03 May 26
$26.29 - $526.00
Grizzly Peak Trail Run
Berkeley, California
09 May 26
Free - $85.80
Cinderella Trail Run
Oakland, California
30 May 26
Free - $85.80
5.0
Showing 1-4 of 4 results