Running Calendar United States 2025-2026

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Explore the best running races in the United States for 2025-2026! Our updated list features 8898 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Half Marathons Marathons Obstacle Runs Trail Runs Triathlons
December 2025
Dec
26-27
Fr - Sa

Moccasin 24

Backyard Ultra 4 mi 24 hr
Dec
26
Friday

Boxing Day 10k

5 km 10 km
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Lime Bluff Park

5 km 10 km 13 mi
Dec
27
Saturday

10k at Mary Virginia Crites Hannan Park

5 km 10 km
Dec
27
Saturday

Half Marathon at Homestead Air Reserve Park

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Clawson-Burnley Park

5 km 10 km 15 km 13 mi
Dec
27
Saturday

Half Marathon at Michael O Buchanon Park

5 km 10 km 13 mi
Dec
27
Saturday

Fund Run

5 km
Dec
27
Saturday

Candy Cane Course - Denver

5 km 12 km
Dec
27
Saturday

Round The Bay Relay and Ultra

Trail Run 36 mi
Dec
27
Saturday

Half Marathon at Green Springs Park

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Heritage Harbor Park

5 km 10 km 15 km 13 mi
Dec
27
Saturday

Half Marathon at North Collier Regional Park

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Millennium Park

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Clark's Creek Greenway

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Liberty Park

5 km 10 km 13 mi
Dec
27
Saturday

Half Marathon at Bohls Park

5 km 10 km 13 mi
Dec
27
Saturday

Run for the Ranch

5 km 13 mi 26 mi 6 hr
Dec
27
Saturday

Brazen New Year's Eve

Trail Run 5 km 10 km 13 mi
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