Big Bear Mud Run | Tough Mudder x In-n-Out 5k and 10k

WHEN:  Sept 5 – 7, 2025

WHERE: Bear Mountain, 43101 Goldmine Dr. Big Bear, CA

In-N-Out is partnering with Tough Mudder to challenge you to push your limits on a rugged alpine obstacle course. This Mud Run in Big Bear Lake has both 5K with 12+ obstacles and 10K with 20 challenges that’s set against breathtaking mountain terrain. 

Every muddy mile supports the Slave 2 Nothing® Foundation, combating substance abuse and human trafficking. So you’re doing good for the community while having muddy fun times with your crew.

TICKETS:

Grab your tickets and use code BIGBEAR20 to save 20% on this mud run in Big Bear. If you’re military or first responders, you can get 25% off through GovX

If you don’t want to run, you can still join in on the fun as a spectator. Cheer on your mudders and enjoy the Mudder Village Festival. You’ll have access to spectator routes, watch live entertainment, and enjoy In-N-Out food.  You can grab your tickets online on onsite at the event.  

Children 12 and under, can enter the event as spectators for free; they just have to buy an In-N-Out burger ticket separately at the Mudder Services Tent. 

VOLUNTEER: 

You can also volunteer during the event to help bring fun to this mud run in Big Bear.  You can pick your event and choose your shift as a volunteer.  Best of all, get a discounted event entry, exclusive swag and complimentary food throughout the day. 

WHAT YOU GET:

Your tickets include a finisher Double-Double meal freshly prepared by In-N-Out cookout trucks, finisher medal, event t-shirt, and a finisher head band. 

PARKING:

Parking is included in your ticket purchase and it’s at 42600 Moonridge Dr, Big Bear Lake, CA 92315.  

LOCKERS:

Run without worrying about your valuables.  You can store them in your own locker. They’re available from Lock N Roll and can be reserved online. 

OBSTACLES:

Tough Mudder obstacles push you to conquer fears while relying on teamwork to get through. Brave icy plunges in the Arctic Enema, dodge live wires in Electroshock Therapy, and hang on tight through the slippery Funky Monkey. Team up to scale the daunting Everest wall or power through the muddy trenches of Mud Mile—because no one crosses the finish line alone. 

Learn more about the Tough Mudder obstacles that you may see in this upcoming Big Bear Mud Run.  

Get ready for the ultimate Big Bear adventure with a mud run like no other. Whether you’re running, cheering, or volunteering, Tough Mudder Big Bear is more than just an event—it’s a high-energy challenge filled with teamwork, fun, and unforgettable mountain memories.

This is a family-friendly event where everyone can join in on the fun; whether you’re running or a spectator cheering on your friends and family.