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Ultra Marathons found in California in Spring

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Ultra Marathons in California in Spring 2027

Find A Race is the US's favourite event listings site. Check out our list of Spring 2027 Ultra Marathons in California below.

Race Calendar: Ultra Marathons found in Spring

🚀Boosted

Grapes of Wrath Triathlon, 5k & 10k

Delano, California
Sun 25 Apr 27
$50.00 - $200.00
🚀Boosted

2027 Cal Tri Ventura - 5.2.27

Ventura, California
Sun 02 May 27
$36.89 - $526.00
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Redwood (Spring) Trail Run

Oakland, California
Sat 20 Mar 27
Free - $96.40

VALENCIA Trail Race

Valencia, California
Sat 20 Mar 27
$93.22 - $178.02

Finish The Ride and Finish The Run Griffith Park

Los Angeles, California
Sat 20 Mar 27 - Sun 21 Mar 27
$11.60 - $144.10

Bedrock Valley Trail Runs

Hemet, California
Sat 03 Apr 27 - Sun 04 Apr 27
$16.90 - $122.90

Release the Kraken 5K. 10K. 18 Miler & 50K

Long Beach, California
Sat 03 Apr 27
$43.40 - $91.10

Run4Kids Ultra Running Party

Corona, California
Fri 16 Apr 27 - Sat 17 Apr 27
$63.54 - $158.94

Horseshoe Lake Trail Run

Los Gatos, California
Sat 17 Apr 27
Free - $96.40

Mountains 2 Beach Marathon and Half

Ventura, California
Sat 17 Apr 27 - Sun 18 Apr 27
$28.55 - $202.39

Silver Moon Race: Kings River

Reedley, California
Sat 17 Apr 27 - Sun 18 Apr 27
$75.20 - $234.20

2027 Granfondo San Diego

San Diego, California
Sun 18 Apr 27
$64.53 - $214.68

SPASM Lake Chabot Trail Run

Castro Valley, California
Sat 24 Apr 27
Free - $96.40

Orange County Multisport Festival

Mission Viejo, California
Sun 25 Apr 27
$61.40 - $293.60

Santa Clarita Trail Race

Santa Clarita, California
Sat 01 May 27
$48.70 - $181.20

2027 Cal Tri Ventura - 5.2.27

Ventura, California
Sun 02 May 27
$36.89 - $526.00

Grizzly Peak Trail Run

Berkeley, California
Sat 08 May 27
Free - $96.40

Diablo Trail Run

Clayton, California
Sun 23 May 27
Free - $96.40

Solvang Double Century

Buellton, California
Sat 03 Apr 27
$201.34

Millerton Lake Crows Nest Triathlon, 5k & 10k

Friant, California
Sun 18 Apr 27
$49.20 - $1,051.50

Grapes of Wrath Triathlon, 5k & 10k

Delano, California
Sun 25 Apr 27
$50.00 - $200.00

Miwok 100K Trail Race presented by The North Face

Stinson Beach, California
Sat 01 May 27
$175.00 - $460.00

Paiute Meadows Trail Run

Susanville, California
Sat 08 May 27
$48.70 - $133.50
Showing 1-21 of 21 results

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