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297 Running Southern California, CA

Muddy Dash | San Diego - Valley Center, CA - 4960baf8-36ab-47b3-a735-edc1abffaeac.png

Muddy Dash | San Diego

Valley Center, CA

May 2, 2026 - May 3, 2026

The 2026 Hoag OC Marathon Running Festival (Expo Registration) - Costa Mesa, CA - genericImage-websiteLogo-251728-1743794045.1174-0.bN8c99.png

The 2026 Hoag OC Marathon Running Festival (Expo Registration)

Costa Mesa, CA

May 2, 2026 - May 3, 2026

Running > 5k, Half Marathon, Marathon

NURSES ROCK VENDOR REGISTRATION - San Dimas, CA - genericImage-websiteLogo-255467-1748642779.4346-0.bOoIVB.png

NURSES ROCK VENDOR REGISTRATION

San Dimas, CA

Sat - May 02, 2026

Finish The Ride and Finish The Run Griffith Park 2026 - Los Angeles, CA - cycling-6.png

Finish The Ride and Finish The Run Griffith Park 2026

Los Angeles, CA

May 2, 2026 - May 3, 2026

Cycling > Metric Century, Half Marathon, 10k, 5k, 1k, Half Century

Bubble Run | San Diego - Chula Vista, CA - 4c30b0b2-d7c3-4cd9-89cd-ab345ccff974.png

Bubble Run | San Diego

Chula Vista, CA

May 2, 2026 - May 3, 2026

Sunrise Marathon 5K/10K/13.1 LOS ANGELES - Los Angeles, CA - genericImage-websiteLogo-260774-1755662601.7246-0.bOPuKj.png

Sunrise Marathon 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Sat - May 02, 2026

Running > 5k, 10k, Half Marathon, 1 mile

Cinco De Mayo Run 5K/10K/13.1 SAN DIEGO - San Diego, CA - genericImage-websiteLogo-255849-1754382955.6135-0.bOKCjR.png

Cinco De Mayo Run 5K/10K/13.1 SAN DIEGO

San Diego, CA

Sat - May 02, 2026

Running > 5k, 10k, Half Marathon, 1 mile

Sombrero Marathon - Valencia, CA - 2025_-_Sombrero_Marathon_Logo.png

Sombrero Marathon

Valencia, CA

Sun - May 03, 2026 @ 7:00 AM

Running > 10k, 5k, Half Marathon, Marathon

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2026 Spring Sprint Triathlon and SD Tri Series 5K - San Diego, CA - a06395df-7e3d-4b82-97cb-e400ac0a9bc1.jpg

2026 Spring Sprint Triathlon and SD Tri Series 5K

San Diego, CA

Sun - May 03, 2026

Triathlon > Super Sprint, Sprint, 5k, Olympic

Happy Mothers Day 5k, 10k, 15k, Half Marathon - Long Beach, CA - 25415857-1c7c-42f8-830d-b02c12882ee2.png

Happy Mothers Day 5k, 10k, 15k, Half Marathon

Long Beach, CA

Sat - May 09, 2026

Running > Half Marathon, 10k, 5k

Happy Mothers Day 5k, 10k, 15k, Half Marathon - Van Nuys, CA - running-15.png

Happy Mothers Day 5k, 10k, 15k, Half Marathon

Van Nuys, CA

Sun - May 10, 2026

Running > Half Marathon

Badwater Presents 40/40 NOW: Creating Balance in an Ultra World - Death Valley, CA - genericImage-websiteLogo-267210-1762709027.4473-0.bPem4J.jpg

Badwater Presents 40/40 NOW: Creating Balance in an Ultra World

Death Valley, CA

May 13, 2026 - Jun 21, 2026

Villa Park 5K - Villa Park, CA - genericImage-websiteLogo-267294-1762826326.4558-0.bPePHw.png

Villa Park 5K

Villa Park, CA

Sat - May 16, 2026

Walk for Water 5k Santa Barbara - Santa Barbara, CA - genericImage-websiteLogo-263524-1759247862.3655-0.bO2_32.png

Walk for Water 5k Santa Barbara

Santa Barbara, CA

Sat - May 16, 2026

The Beach Boys 5K & Wellness Day - Santa Monica, CA - running-3.png

The Beach Boys 5K & Wellness Day

Santa Monica, CA

Sat - May 16, 2026

Nitemoves 2026 - Santa Barbara, CA - running-1.png

Nitemoves 2026

Santa Barbara, CA

May 20, 2026 - Aug 26, 2026

Run to Remember 5k, 10k, 15k, Half Marathon - Long Beach, CA - 25415857-1c7c-42f8-830d-b02c12882ee2.png

Run to Remember 5k, 10k, 15k, Half Marathon

Long Beach, CA

Sat - May 23, 2026

Running > Half Marathon

Run for Mental Health 5K/10K/13.1 SAN DIEGO - San Diego, CA - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Run for Mental Health 5K/10K/13.1 SAN DIEGO

San Diego, CA

Sat - May 23, 2026

Running > 5k, Half Marathon, 1 mile, 10k

Run for Mental Health 5K/10K/13.1 LOS ANGELES - Los Angeles, CA - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Run for Mental Health 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Sat - May 23, 2026

Running > Half Marathon

Cerro Gordo Silver Run - Keeler, CA - genericImage-websiteLogo-256742-1750434447.946-0.bOvykp.png

Cerro Gordo Silver Run

Keeler, CA

Sat - May 23, 2026

Lighthouse Half Marathon 5k 10k - Long Beach, CA - LightHouse_Half_-_Final.jpg

Lighthouse Half Marathon 5k 10k

Long Beach, CA

Sun - May 24, 2026 @ 8:00 AM

Running > Half Marathon

Featured

Memorial Day 5k, 10k, 15k, Half Marathon - Long Beach, CA - 25415857-1c7c-42f8-830d-b02c12882ee2.png

Memorial Day 5k, 10k, 15k, Half Marathon

Long Beach, CA

Mon - May 25, 2026

Run for Breast Cancer 5K/10K/13.1 SAN DIEGO - San Diego, CA - genericImage-websiteLogo-245242-1751340033.2371-0.bOy1qb.png

Run for Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, CA

Sat - Jun 06, 2026

Running > 10k, 1 mile, Half Marathon, 5k

Run for Breast Cancer 5K/10K/13.1 LOS ANGELES - Los Angeles, CA - genericImage-websiteLogo-245242-1751340033.2371-0.bOy1qb.png

Run for Breast Cancer 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Sat - Jun 06, 2026

Seaside Marathon - Ventura, CA - Seaside_Half_Marathon-800.jpg

Seaside Marathon

Ventura, CA

Sun - Jun 07, 2026 @ 7:00 AM

Running > Half Marathon, Marathon, 10k, 5k

Featured

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Phoenix Rising 5k, 10k, 15k, Half Marathon - Los Angeles, CA - 25415857-1c7c-42f8-830d-b02c12882ee2.png

Phoenix Rising 5k, 10k, 15k, Half Marathon

Los Angeles, CA

Sat - Jun 13, 2026

Running > Half Marathon

Sloth Run 5K/10K/13.1 LOS ANGELES - Los Angeles, CA - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Sloth Run 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Sat - Jun 20, 2026

Sloth Run 5K/10K/13.1 SAN DIEGO - San Diego, CA - genericImage-websiteLogo-260929-1755833660.4445-0.bOP-u8.png

Sloth Run 5K/10K/13.1 SAN DIEGO

San Diego, CA

Sat - Jun 20, 2026

Running > Half Marathon

2026 Sugar Daddy Race - Santa Clarita, CA - eae50d3d-bae7-46d0-89b7-bd71d067c25d.jpg

2026 Sugar Daddy Race

Santa Clarita, CA

Sat - Jun 20, 2026

Running > Half Marathon

2026 San Diego International Triathlon & Waterfront 5K - San Diego, CA - ebf8dbfc-7c6a-482d-9a8d-259681f0941d.png

2026 San Diego International Triathlon & Waterfront 5K

San Diego, CA

Sun - Jun 28, 2026

Triathlon > Sprint, Olympic