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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
๐Boosted
Avalon Benefit 50 Mile/50K Run
Avalon, California
Sat 10 Jan 26
$131.00 - $367.25
๐Boosted
Crystal Springs Trail Run
Woodside, California
Sun 18 Jan 26
Free - $85.80
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San Joaquin River Trail 10k/25k/50k
Friant, California
Sat 06 Dec 25
$54.00 - $149.40
New Year's One Day
San Jose, California
Wed 31 Dec 25 - Thu 01 Jan 26
$85.80 - $197.10
Avalon Benefit 50 Mile/50K Run
Avalon, California
Sat 10 Jan 26
$131.00 - $367.25
San Diego 50 & Trail Runs
Escondido, California
Sat 10 Jan 26
$16.90 - $165.30
Crystal Springs Trail Run
Woodside, California
Sun 18 Jan 26
Free - $85.80
Golden Gate Trail Run
Sausalito, California
Sat 07 Feb 26
Free - $85.80
Beer City Halfโข San Diego
San Diego, California
Sat 14 Feb 26
Free - $107.00
Montara Mountain Trail Run
Pacifica, California
Sat 21 Feb 26
Free - $85.80
Tahoe to Malibu Annual Challenge
Anywhere, California
Mon 01 Jan 24 - Wed 31 Dec 25
$53.75
Showing 1-9 of 9 results