Half Marathon calendar United States 2025-2026

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Explore the best half marathons in the United States for 2025-2026! Our updated list features 2724 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2025
May
3
Saturday

Hacienda Hills Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
May
3-4
Sa - Su

Fayetteville Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
3
Saturday

Happy Trails Marathon

Trail Run 13 mi 26 mi
May
3-4
Sa - Su

Xterra New Jersey

Trail Run Triathlon 5 km 10 km 21 km 42 km
May
3
Saturday

Drink MO Wine Run Half Marathon

5 km 10 km 13 mi
May
3-4
Sa - Su

Kalamazoo Marathon

5 km 10 km 13 mi 26 mi
May
3-4
Sa - Su

Frederick Running Festival

5 km 13 mi
May
3-4
Sa - Su

The Hoag OC Marathon

5 km 13 mi 26 mi
May
3
Saturday

IronHorse - Riceville, IA

5 km 10 km 13 mi
May
3-4
Sa - Su

Maine Coast Marathon

5 km 13 mi 26 mi
May
3-4
Sa - Su

Tacoma City Marathon

5 km 10 km 13 mi 26 mi
May
3
Saturday

Potomac River Run Marathon

13 mi 26 mi
May
3
Saturday

DoNot Stop Half Marathon - Wichita

5 km 10 km 13 mi
May
3
Saturday

DoNot Stop Half Marathon - Memphis

5 km 10 km 13 mi
May
3
Saturday

The Bluffs Trail Runs

Trail Run 5 km 10 km ... 13 mi 26 mi
May
3
Saturday

Muddy River Marathon

13 mi 26 mi
May
3
Saturday

Great Allegheny Ohiopyle Marathon

5 km 10 km 13 mi 26 mi
May
3
Saturday

Door County Half Marathon

13 mi
May
3
Saturday

Half Marathon Boomer Lake Park

5 km 10 km 15 km 13 mi
May
3
Saturday

Half Marathon at Baseline Trailhead Park

5 km 10 km 15 km 13 mi
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