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January Half Marathon Calendar

Browse all January Half Marathons in 2026 by state and by city below. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up. When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors. We dedicated dozens of hours every month searching for races to include in the January Half Marathons calendar. If you happen to see any half marathon not included, contact us at [email protected] to submit your race. Looking for the best half marathons in January? We answer some of your most frequently asked questions about January half marathons underneath the calendar.

January Half Marathon Calendar

Dates may be subject to alteration, please check race website.

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Filter January Half Marathons

January 1, 2026
100-500 runners
Castro Valley, California
January 1, 2026
100-500 runners
New York, New York
January 1, 2026
1-100 runners
Coplay, Pennsylvania
Cauliflow Runs Logo
January 1, 2026
100-500 runners
Long Beach, California
January 3, 2026
100-500 runners
Carolina Beach, North Carolina
Troy’s California Trail Runs logo
January 3, 2026
1-100 runners
San Jose, California
January 3, 2026
100-500 runners
Huntsville, Alabama
January 3, 2026
100-500 runners
Las Cruces, New Mexico
Dia De Los Reyes Magos - Bakersfield logo
January 3, 2026
100-500 runners
Bakersfield, California
January 4, 2026
100-500 runners
Boring, Oregon
January 4, 2026
1-100 runners
Pflugerville, Texas
January 4, 2026
100-500 runners
Escondido, California
January 4, 2026
100-500 runners
Long Beach, California
All-Out Polar Prowl logo
January 10, 2026
100-500 runners
Arvada, Colorado
January 10, 2026
100-500 runners
San Diego, California
Sarasota Marathon Logo
January 10, 2026
100-500 runners
Sarasota, Florida
Moonlight Beach Run
January 10, 2026
1-100 runners
Daytona Beach, Florida
January 10, 2026
1-100 runners
Escondido, California
January 10, 2026
100-500 runners
Buckeye, Arizona
January 10, 2026
100-500 runners
Allison Park, Pennsylvania

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