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 2194 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

September 2025
Sep
28
Sunday

PortRun Half Marathon

5 km 13 mi
Sep
28
Sunday

Unlimited Breadsticks Trail Race Half Marathon

Trail Run 13 mi
Sep
28
Sunday

Run Boulderthon: The Boulder Marathon

5 km 10 km 13 mi 26 mi
Sep
28
Sunday

Rock of Ages Half Marathon

5 km 10 km 13 mi
Sep
28
Sunday

Chicago Half Marathon

5 km 13 mi
Sep
28
Sunday

New Jersey Half Marathon

13 mi
Sep
28
Sunday

Clarence DeMar Marathon

13 mi 26 mi
Sep
28
Sunday

Heritage 50K Trail Run

Trail Run 13 mi 50 km
Sep
28
Sunday

She Runs Grand Rapids

5 km 10 km 13 mi
Sep
28
Sunday

Pleasant Mountain Race

Trail Run 21 km
October 2025
Oct
4
Saturday

Pacific Beach Half Marathon

5 km 13 mi
Oct
4
Saturday

Auburn Half Marathon

Trail Run 5 km 12 km 13 mi
Oct
4
Saturday

Arches Marathon

Trail Run 15 km 13 mi 26 mi 50 km
Oct
4-5
Sa - Su

Rock 'n' Roll San Jose

5 km 10 km 13 mi
Oct
4-5
Sa - Su

Crawlin' Crab Half Marathon

5 km 13 mi
Oct
4
Saturday

Flats Trail Half Marathon

Trail Run 13 mi
Oct
4
Saturday

The Rugged Red Trail Half Marathon

Trail Run 13 mi
Oct
4
Saturday

Strasburg Half Marathon

5 km 13 mi
Oct
4
Saturday

Spooky Sprint - Des Moines

5 km 10 km 13 mi
Oct
4-5
Sa - Su

Wineglass Marathon

5 km 13 mi 26 mi
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