Mud Run & Obstacle Race Calendar United States 2024-2025

Explore the best mud runs / obstacle runs in the United States for 2024-2025! Our updated list features 123 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

Daniel Barden Mudfest 5 Mile

Obstacle Run 5 km 5 mi
May
3
Saturday

YMCA Families On! Challenge

Obstacle Run 2 mi
May
7-10
We - Sa

Bloodroot Spartan Ultra

Obstacle Run
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
10
Saturday

The Challenge Obstacle Run

Obstacle Run
May
17-18
Sa - Su

Big Bear Spartan Trifecta Weekend

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

Tough Mudder - Philly

Obstacle Run 5 km 15 km
May
17-18
Sa - Su

Austin Spartan Event Weekend

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

Tackle The Tar

Obstacle Run 5 km
May
17
Saturday

Battle Run

Obstacle Run 3 mi 13 mi
May
17
Saturday

The Bear Crawl OCR

Obstacle Run 2 mi 3 mi 6 mi
May
17
Saturday

Foreshore Adventure Run

Obstacle Run 5 km
May
17-18
Sa - Su

Ohio Spartan Trifecta Weekend

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

Gladiator Assault Challenge

Obstacle Run 5 km 5 mi
May
18
Sunday

Big Bear Trail Experience

Trail Run Obstacle Run 10 km
May
18
Sunday

Austin Trail Experience

Trail Run Obstacle Run 10 km
May
24
Saturday

Frontline OCR

Obstacle Run 75 mi 80 mi 85 mi 90 mi
May
25
Sunday

Tough as Nails Adventure Race

Obstacle Run 6 mi
May - Jun
31-1
Sa - Su

Monterey Spartan Event Weekend

Obstacle Run 5 km 10 km