Obstacle Race Calendar United States 2025-2026

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Explore the best obstacle runs in the United States for 2025-2026! Our updated list features 12503 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
27-28
Sa - Su

24 Hours Of Palmer Lake

Trail Run
Sep
27
Saturday

Flatrock 101

Trail Run 5 km 12 km 25 km 50 km
Sep
27
Saturday

Marilla Trail Race

Trail Run 4 mi 7 mi 14 mi
Sep
27-28
Sa - Su

Adirondack Marathon Distance Festival

5 km 10 km 13 mi 26 mi
Sep
27
Saturday

Jailbreak Marathon

5 km 10 km 13 mi 26 mi
Sep
27
Saturday

Pioneer Prairie Dog Half

5 km 10 km 13 mi
Sep
27
Saturday

Lady of the Lake - Blairsville

Backyard Ultra 4 hr 8 hr
Sep
27
Saturday

Parallel of Latitude Endurance Race

Backyard Ultra 8 hr
Sep
27
Saturday

Jackson Hole Marathon

6 mi 13 mi 26 mi
Sep
27
Saturday

Wasatch Half Marathon

10 km 13 mi
Sep
27
Saturday

Mill Race Marathon

5 km 21 km 42 km
Sep
27-28
Sa - Su

Quad Cities Marathon

5 km 10 km 21 km 42 km
Sep
27
Saturday

Fort Worth Oktoberfest 5K

5 km
Sep
27
Saturday

Thunderdash 10k Mud/Obstacle Run

Obstacle Run 5 km 10 km
Sep
27
Saturday

Fidalgo Trail Run

Trail Run 5 mi 13 mi 26 mi
Sep
27
Saturday

Flagstaff Sky Peaks

Trail Run 10 km 26 km 50 km 50 mi
Sep
27-28
Sa - Su

Midwest Everest

Trail Run 10 km 20 km 50 mi 100 mi
Sep
27-28
Sa - Su

AZT North Rim Ramble

Trail Run 7 mi 13 mi 26 mi
Sep
27
Saturday

Oktoberfest Half Marathon

5 km 13 mi
Sep
27
Saturday

Tough Mudder - Toughest Mudder Colorado

Obstacle Run 5 mi
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