United States close

Obstacle Race Calendar United States 2025-2026

Header image

Explore the best obstacle runs in the United States for 2024-2025! Our updated list features 117 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

Mud Factor - Mckinney

Obstacle Run 5 km
May
3
Saturday

Tough Gator 5K Mud Run

Obstacle Run 5 km
May
3-4
Sa - Su

Fayetteville Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
3-4
Sa - Su

Norcal Deka Fit & Ultra

Obstacle Run 5 km
May
3
Saturday

Daniel Barden Mudfest 5 Mile

Obstacle Run 5 km 5 mi
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

Raymond James Spartan Stadion Weekend

Obstacle Run 5 km
May
10
Saturday

Savage Race - Maryland Spring

Obstacle Run 3 mi 7 mi
May
17
Saturday

Battle Run

Obstacle Run 3 mi 13 mi 26 mi
May
17-18
Sa - Su

Tough Mudder - Philly

Obstacle Run 5 mi 10 mi
May
17-18
Sa - Su

Ohio Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
17-18
Sa - Su

Big Bear Spartan Trifecta Weekend

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

Austin Spartan Event Weekend

Obstacle Run 5 km 10 km
May
17
Saturday

Tackle The Tar

Obstacle Run 5 km
May
24
Saturday

Frontline OCR

Obstacle Run
May
25
Sunday

Tough as Nails Adventure Race

Obstacle Run 5 mi
May - Jun
31-1
Sa - Su

Colorado Springs Spartan Event Weekend

Obstacle Run 5 km 10 km 21 km 50 km
May
31
Saturday

Savage Race - Charlotte

Obstacle Run 3 mi 7 mi
May - Jun
31-1
Sa - Su

Monterey Spartan Event Weekend

Obstacle Run 5 km 10 km