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Big Bear Tough Mudder

Mark Your Calendar for Big Bear Tough Mudder coming September 2025 - with a delicious surprise!

Big Bear Lake's first Tough Mudder this September 2025 is a delicious event serving up challenging terrain, mud, demanding obstacles, mud, epic views, and mud, teamwork, camaraderie, more mud, and finally...

This exclusive co-branded In-N-Out Burger® Tough Mudder Challenge has got a 5K and 10K course on offer where crossing the finish line not only tastes so good but makes the world a better place. Proceeds directly benefit the Slave 2 Nothing Foundation that is dedicated to ending substance abuse and human trafficking.

Event Details

September 5 - 7, 2025

Bear Mountain, 43101 Goldmine Dr

Register Now!

The 5K and 10K course races are offered Friday, Saturday, and Sunday. Also, enjoy the oh-so-delicious Mudder Village Festival with Double-Doubles® served hot and fresh by In-N-Out® Cookout Trucks.

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Tough Mudder Courses

5K Mudder

The 5K Tough Mudder course features 12+ obstacles along mountain terrain and - of course - puddles of mud.

Featured Friday, Saturday, and Sunday for ages 14 and up.

REGISTER

10K Mudder

The 10K Tough Mudder course features 20 obstacles along mountain terrain and - of course - puddles of mud.

Featured Friday, Saturday, and Sunday for ages 14 and up.

REGISTER

Spectator & Mudder Village Passes

Spectator & Mudder Village Passes

Your pass includes an In-N-Out Burger!

Passes needed for ages 13 and over.

PURCHASE

What Finishers Earn

Apart from bragging rights and a sense of accomplishment, Tough Mudder finishers will earn:

  • A Double-Double® meal. You deserve it!
  • A Finisher Medal - striking new design for 2025!
  • A Finisher Shirt - 2025 design coming soon!
  • A Finisher Headband - Each orange headband is a badge of honor.

Slave 2 Nothing Foundation

In-N-Out Burger® created the Slave 2 Nothing Foundation to help empower those enslaved by substance abuse and human trafficking. By partnering with Tough Mudder, In-N-Out® shows their support in battling these challenges and emerging victorious.

Proceeds from registrants directly benefit the Foundation.

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