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Ultra Marathons found in California in April

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Ultra Marathons in California in April 2026

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

Race Calendar: Ultra Marathons found in April

πŸš€Boosted

Horseshoe Lake Trail Run

La Honda, California
Sat 18 Apr 26
Free - $85.80
πŸš€Boosted

Bedrock Valley Trail Runs

Hemet, California
Sat 11 Apr 26 - Sun 12 Apr 26
$16.90 - $122.90
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Silver Moon Race: Kings River

Reedley, California
Sat 04 Apr 26 - Sun 05 Apr 26
$85.80 - $234.20

SPASM Lake Chabot Trail Run

Castro Valley, California
Sat 11 Apr 26
Free - $85.80

Bedrock Valley Trail Runs

Hemet, California
Sat 11 Apr 26 - Sun 12 Apr 26
$16.90 - $122.90

Lake Sonoma 100K, 50K, TS Half Marathon

Geyserville, California
Sat 11 Apr 26
$117.60 - $295.00

Horseshoe Lake Trail Run

La Honda, California
Sat 18 Apr 26
Free - $85.80

Badwater Salton Sea, presented by Mount to Coast

Borrego Springs, California
Sat 18 Apr 26 - Sun 19 Apr 26
$394.75

Mountains 2 Beach Marathon and Half

Ventura, California
Sat 18 Apr 26 - Sun 19 Apr 26
$22.19 - $212.99

Orange County Multi-Sport Festival

Mission Viejo, California
Sun 26 Apr 26
$50.60 - $272.00

Ride 4A Reason 2026

Oakland, California
Sat 25 Apr 26
$50.00 - $100.00
Showing 1-9 of 9 results