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Half Marathons found in California in January

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Half Marathons in California in January 2026

Find A Race is the US's favourite event listings site. Check out our list of January 2026 Half Marathons in California below.

Race Calendar: Half Marathons found in January

🚀Boosted

San Diego 50 & Trail Runs

Escondido, California
10 Jan 26
$16.90 - $165.30
🚀Boosted

Citrus Heritage Run

Riverside, California
10 Jan 26
$22.95 - $76.33
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Happy New Year 2026 - 5K, 10K, and Half Marathon

Long Beach, California
01 Jan 26
$32.79 - $42.33

Brazen New Year's Day 2026

Castro Valley, California
01 Jan 26

Dia De Los Reyes Magos - Bakersfield

Bakersfield, California
03 Jan 26
$28.00 - $69.34

Chase the Falling Stars - Quadrantid Meteor Shower 5K 10K & Half Marathon

Santa Monica, California
03 Jan 26
$32.79 - $42.33

Grievances & Gratitude Run – Let Go, Run Free, Embrace the Positive! 5K, 10K, and Half Marathon

Long Beach, California
04 Jan 26
$32.79 - $38.09

Dia De Los Reyes Magos - Fresno

Fresno, California
04 Jan 26
$29.00 - $144.60

The Encino Man Ice Age Dash

Canoga Park, California
10 Jan 26
$34.99

Citrus Heritage Run

Riverside, California
10 Jan 26
$22.95 - $76.33

San Diego 50 & Trail Runs

Escondido, California
10 Jan 26
$16.90 - $165.30

MLK Freedom Run 5K/10K/13.1 LOS ANGELES

Los Angeles, California
17 Jan 26
$32.80 - $48.70

Teaching & Learning Collaborative Charity Group Registration (2026 Disneyland® Half Marathon Weekend)

Anaheim, California
30 Jan 26 - 01 Feb 26
$138.80 - $473.50

2026 Disneyland® Half Marathon Weekend presented by HONDA

Anaheim, California
30 Jan 26 - 01 Feb 26
$138.80 - $284.50
Showing 1-12 of 12 results