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Tough Mudder 5K 2019

Now even cooler

We're adding 3 obstacles and loads of mud. Tough Mudder 5K now at all event weekends.

Obstacle Beta Testing has begun

10 new or updated obstacles on every 2019 course

Bigger, badder, better than ever before.In 2019 we're bringing you back to the future of obstacle courses.

All new Tough Mudder Classic

More Obstacles than ever

8-10 miles. 25 Obstacles. 1 Loop.
Become an MVP

Tough Mudder Volunteering

Who wouldn't want to be part of 'Probably the Best Team on the Planet'? Find out why you should don that orange shirt.

We are Tough Mudder

Tough Mudder is a team-oriented 10-12 mile (18-20 km) obstacle course designed to test physical strength and mental grit. Tough Mudder presented by Merrell puts camaraderie over finisher rankings and is not a race but a team challenge. We are for anyone who has ever followed their gut, tried to defy gravity, chosen “dare” over “truth,” taken risks, sought thrills, or is generally awesome at life. Turns out, it’s all been training. We are Tough Mudder.