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Ultra Marathons found in California in Winter
View all ↓Ultra Marathons in California in Winter 2025/26
Find A Race is the US's favourite event listings site. Check out our list of Winter 2025/26 Ultra Marathons in California below.
Race Calendar: Ultra Marathons found in Winter
🚀Boosted
Malibu to Tahoe Annual Challenge
Anywhere, California
01 Jan 24 - 31 Dec 25
$53.75
🚀Boosted
9th Annual BRAVE Race 2026
Aliso Viejo, California
22 Feb 26
Free - $56.00
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San Joaquin River Trail 10k/25k/50k
Friant, California
06 Dec 25
$48.70 - $133.50
New Year's One Day
San Jose, California
31 Dec 25 - 01 Jan 26
$85.80 - $197.10
Avalon Benefit 50 Mile/50K Run
Avalon, California
10 Jan 26
$99.40 - $304.25
San Diego 50 & Trail Runs
Escondido, California
10 Jan 26
$16.90 - $144.10
9th Annual BRAVE Race 2026
Aliso Viejo, California
22 Feb 26
Free - $56.00
Malibu to Tahoe Annual Challenge
Anywhere, California
01 Jan 24 - 31 Dec 25
$53.75
Showing 1-6 of 6 results