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Ultra Marathons found in California in Spring
View all ↓Ultra Marathons in California in Spring 2026
Find A Race is the US's favourite event listings site. Check out our list of Spring 2026 Ultra Marathons in California below.
Race Calendar: Ultra Marathons found in Spring
πBoosted
Bedrock Valley Trail Runs
Hemet, California
11 Apr 26 - 12 Apr 26
$16.90 - $112.30
πBoosted
VALENCIA Trail Race
Valencia, California
21 Mar 26
$91.10 - $154.70
Feature your event at the top of the results
Redwood (Spring) Trail Run
Oakland, California
21 Mar 26
Free - $85.80
VALENCIA Trail Race
Valencia, California
21 Mar 26
$91.10 - $154.70
Silver Moon Race: Kings River
Reedley, California
04 Apr 26 - 05 Apr 26
$85.80 - $234.20
SPASM Lake Chabot Trail Run
Castro Valley, California
11 Apr 26
Free - $85.80
Bedrock Valley Trail Runs
Hemet, California
11 Apr 26 - 12 Apr 26
$16.90 - $112.30
Horseshoe Lake Trail Run
La Honda, California
18 Apr 26
Free - $85.80
Badwater Salton Sea, presented by Mount to Coast
Borrego Springs, California
18 Apr 26 - 19 Apr 26
$394.75
Mountains 2 Beach Marathon and Half
Ventura, California
18 Apr 26 - 19 Apr 26
$22.19 - $186.49
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
L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE
Los Angeles, California
28 Feb 26 - 15 Mar 26
$13.72 - $74.14
Showing 1-13 of 13 results