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Half Marathons Near California
Showing the next 50 runs that match your filters
Featured
Moonlight Beach Half Marathon & 10k
Get 35% Off - Use Code RUNGUIDE35
Date: Mar 15, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Encinitas, California
Featured
Light at the End of the Tunnel Marathon and Half-Marathon
Fast Net Downhill. No BQ penalty!
Date: Jun 7, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Snoqualmie Pass, Washington
San Joaquin River Trail Half Marathon & 10K
Date: Mar 7, 2026 - Saturday
Size: 100 - 500 participants
Location: Auberry, California
Run for Mental Health 5K/10K/13.1 - Los Angeles
Date: Mar 7, 2026 - Saturday
Size: 100 - 500 participants
Location: Santa Monica, California
Run for Mental Health 5K/10K/13.1 - Sacramento
Date: Mar 7, 2026 - Saturday
Size: 100 - 500 participants
Location: Sacramento, California
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Run for Mental Health 5K/10K/13.1 - San Diego
Date: Mar 7, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
Run for Mental Health 5K/10K/13.1 - San Francisco
Date: Mar 7, 2026 - Saturday
Size: 100 - 500 participants
Location: San Francisco, California
Tesoro Viejo Spring Classic Half Marathon
Date: Mar 8, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Madera, California
Shamrock’n Half Marathon, 5K, 10K and Leprechaun Dash
Date: Mar 14-15, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: West Sacramento, California
Folsom Lake Southside Trail Run
Date: Mar 14, 2026 - Saturday
Size: 1 - 100 participants
Location: Folsom, California
Mermaid Women's Half Marathon San Diego
Date: Mar 14, 2026 - Saturday
Size: 500 - 1,000 participants
Location: San Diego, California
Shamrock'n Weekend
Date: Mar 14-15, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: West Sacramento, California
Leprechaun Chase
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Long Beach, California
Leprechaun Chase – 5K, 10K, 10-Miler, Half Marathon
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Long Beach, California
St. Paddy's Day Lucky Run 5K/10K/13.1 - Los Angeles
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Santa Monica, California
St. Paddy's Day Lucky Run 5K/10K/13.1 - Sacramento
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Sacramento, California
St. Paddy's Day Lucky Run 5K/10K/13.1 - San Diego
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
St. Paddy's Day Lucky Run 5K/10K/13.1 - San Francisco
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: San Francisco, California
Rockin' Shamrock 5k, 10k, 15k, Half Marathon
Date: Mar 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Long Beach, California
Rattlesnake Ramble 5K/10K/Half
Date: Mar 15, 2026 - Sunday
Size: 100 - 500 participants
Location: San Rafael, California
Moonlight Beach Half Marathon & 10k
Get 35% Off - Use Code RUNGUIDE35
Date: Mar 15, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Encinitas, California
The Oakland Marathon
Date: Mar 21-22, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Oakland, California
Labor of Love Races
Date: Mar 21, 2026 - Saturday
Size: 100 - 500 participants
Location: Las Vegas, Nevada
Redwood Trail Run - Spring
Date: Mar 21, 2026 - Saturday
Size: 100 - 500 participants
Location: Oakland, California
Valencia Trail Race
Date: Mar 21, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Santa Clarita, California
John Wayne Grit Series - Pioneertown
Get 15% Off - Use Code RUN15
Date: Mar 21, 2026 - Saturday
Size: 100 - 500 participants
Location: Yucca Valley, California
Napa Valley Trail Marathon, Half Marathon & 10K
Date: Mar 21, 2026 - Saturday
Size: 100 - 500 participants
Location: Napa County, California
Whale Run and Walk
Date: Mar 21, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Fort Bragg, California
GOVX San Diego Half Marathon & 5K
Date: Mar 22, 2026 - Sunday
Size: 5,000 - 10,000 participants
Location: San Diego, California
Bakersfield Marathon
Date: Mar 22, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Bakersfield, California
South Hills Single Track Trail Run (Spring)
Date: Mar 22, 2026 - Sunday
Size: 100 - 500 participants
Location: San Jose, California
Modesto Marathon
Date: Mar 22, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Modesto, California
Seabreeze Half Marathon 5k 10k
Date: Mar 22, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Long Beach, California
Knickerbocker Canyon Trail Run
Date: Mar 28, 2026 - Saturday
Size: 100 - 500 participants
Location: Auburn, California
Folsom Lake Falcon Crest Trail Run
Date: Mar 28, 2026 - Saturday
Size: 1 - 100 participants
Location: El Dorado Hills, California
Western Pacific Half Marathon, 10k & 5k
Date: Mar 28, 2026 - Saturday
Size: 100 - 500 participants
Location: Fremont, California
Yuba Gold Trail Runs
Date: Mar 28, 2026 - Saturday
Size: 1 - 100 participants
Location: Nevada City, California
RunThrough USA Long Beach 5k, 10k & Half Marathon (March edition)
Date: Mar 28, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Long Beach, California
The Rabbit Run 5K & OC Challenge 5K
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Irvine, California
San Jose Spartan Event Weekend
Date: Apr 4-5, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Oakdale, California
Billy Goat Mountain Climb
Get 15% Off - Use Code RUNGUIDES15
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Silverado, California
Diablo Trails Challenge
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Walnut Creek, California
Golden Gate Headlands Marathon, Half Marathon & 10K
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Mill Valley, California
Always Hope Easter Run 5K/10K/13.1 - Los Angeles
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Santa Monica, California
Always Hope Easter Run 5K/10K/13.1 - Sacramento
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: Sacramento, California
Always Hope Easter Run 5K/10K/13.1 - San Diego
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
Always Hope Easter Run 5K/10K/13.1 - San Francisco
Date: Apr 4, 2026 - Saturday
Size: 100 - 500 participants
Location: San Francisco, California
Nature Made Great Race: Half Marathon, 10K, 5K
Date: Apr 11, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: Agoura Hills, California
San Diego Beach & Bay Half Marathon 5K & 10K
Get 10% Off - Use Code RUNGUIDES
Date: Apr 11, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: San Diego, California
Romancing the Island Half Marathon & 10K
Date: Apr 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Tiburon, California
Bedrock Valley Trail Runs
Get $10 Off - Use Code BEDROCK26
Date: Apr 11-12, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Hemet, California
Lake Sonoma 50 Mile, Marathon, and Trail Sisters Half Marathon
Date: Apr 11, 2026 - Saturday
Size: 100 - 500 participants
Location: Geyserville, California
