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 168 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
4
Sunday

Altitude Elementary Moose Mudder

Obstacle Run 5 km
May
7-10
We - Sa

Bloodroot Spartan Ultra

Obstacle Run 10 mi 200 mi
May
10
Saturday

Newbsanity Mud Gauntlet

Obstacle Run 3 mi
May
10
Saturday

Raymond James Spartan Stadion Weekend

Obstacle Run 5 km
May
10
Saturday

Pharr Warrior Race

Obstacle Run 2 mi
May
10
Saturday

The Challenge Obstacle Run

Obstacle Run
May
10
Saturday

Creek Crawl Obstacle Race

Obstacle Run 4 mi
May
10
Saturday

Savage Race - Maryland Spring

Obstacle Run 3 mi 7 mi
May
17
Saturday

Tackle The Tar

Obstacle Run 5 km
May
17-18
Sa - Su

Gladiator Assault Challenge

Obstacle Run 5 km 5 mi
May
17-18
Sa - Su

Big Bear Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km
May
17-18
Sa - Su

Ohio Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
17
Saturday

Foreshore Adventure Run

Obstacle Run 5 km
May
17-18
Sa - Su

Austin Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr 12 hr
May
17
Saturday

TugMudDare Adventure Run

Obstacle Run 5 km
May
17-18
Sa - Su

Tough Mudder - Philly

Obstacle Run 5 mi 10 mi
May
17
Saturday

The Bear Crawl OCR

Obstacle Run 2 mi 3 mi 6 mi
May
17
Saturday

Battle Run

Obstacle Run 3 mi 13 mi 26 mi
May
17
Saturday

Caveman Challenge

Obstacle Run 5 km
May
24
Saturday

Frontline OCR

Obstacle Run
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