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Ultra Marathons Found In Los Angeles, California

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Ultra Marathons in & near Los Angeles, California 2025 - 2026

The most comprehensive list of Ultra Marathons in and near Los Angeles, California in 2025 - 2026. Find your perfect race!

Race Calendar: Ultra Marathons Found In Los Angeles, California

πŸš€Boosted

Orange County Multi-Sport Festival

Mission Viejo, California
Sun 26 Apr 26
$50.60 - $272.00
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MS Run the US Ultra Relay

Santa Monica, California
Mon 23 Mar 26
Free
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Lake Hodges Trail Festival

San Diego, California
Sat 18 Oct 25 - Sun 19 Oct 25
$16.90 - $154.70

Lake Evans Triathlon, 5k & 10k

Bakersfield, California
Sat 18 Oct 25
$49.20 - $1,051.50

2025 Cal Tri LA - 10.19.25

Playa Del Rey, California
Sun 19 Oct 25
Free - $526.00

OC United 2025 Pumpkin Run/Walk & Bike

Fullerton, California
Sat 25 Oct 25
$20.00 - $50.00

Finish The Ride and Finish The Run Santa Clarita

Valencia, California
Sun 26 Oct 25
$16.90 - $112.30

2025 Optimism Cal Tri Newport Dunes - 11.2.25

Newport Beach, California
Sun 02 Nov 25
$58.09 - $526.00

2025 Kaiser Permanente Get Fit Festival

Irvine, California
Sat 22 Nov 25
$40.00 - $270.00

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

L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE

Los Angeles, California
Sat 28 Feb 26 - Sun 01 Mar 26
$13.00 - $81.00

VALENCIA Trail Race

Valencia, California
Sat 21 Mar 26
$91.10 - $154.70

Bedrock Valley Trail Runs

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

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

Finish The Ride and Finish The Run Griffith Park

Los Angeles, California
Sat 02 May 26 - Sun 03 May 26
$11.60 - $85.80

2026 Cal Tri Ventura - 5.3.26

Ventura, California
Sun 03 May 26
$31.59 - $526.00

Tahoe to Malibu Annual Challenge

Anywhere, California
Mon 01 Jan 24 - Wed 31 Dec 25
$53.75

MS Run the US Ultra Relay

Santa Monica, California
Mon 23 Mar 26
Free
Showing 1-18 of 18 results