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May Half Marathon Calendar

Browse all May 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 May 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 May? We answer some of your most frequently asked questions about May half marathons underneath the calendar.

May Half Marathon Calendar

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

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Filter May Half Marathons

May 2, 2026
1,000-10,000 runners
Peninsula State Park, Wisconsin
May 2, 2026
100-500 runners
Washington DC, Washington DC
May 2, 2026
1-100 runners
Ohiopyle, Pennsylvania
May 2, 2026
1-100 runners
Farmington, Utah
May 2, 2026
1-100 runners
Eminence, Missouri
May 2, 2026
100-500 runners
Lehi, Utah
IronHorse Races Logo
May 2, 2026
100-500 runners
Riceville, Iowa
May 2, 2026
100-500 runners
Riceville, Iowa
May 2, 2026
1,000-10,000 runners
Indianapolis, Indiana
May 2, 2026
1,000-10,000 runners
New Bern, North Carolina
Never Say Never Race Logo
May 2, 2026
1-100 runners
Tieton, Washington
May 2, 2026
500-1000 runners
Shiprock, New Mexico
May 2, 2026
1,000-10,000 runners
Wells, Maine
May 2, 2026
100-500 runners
Provo, Utah
May 2, 2026
1-100 runners
Hewitt, New Jersey
May 3, 2026
500-1000 runners
Schaumburg, Illinois
May 3, 2026
100-500 runners
Beacon, New York
May 3, 2026
100-500 runners
Falmouth, Massachusetts
May 3, 2026
1,000-10,000 runners
West Potomac Park, Washington DC
HVM logo
May 3, 2026
1-100 runners
Highland, New York

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