In-N-Out Tough Mudder Challenge

SEP
5-7
2025
Read all about the In-N-Out Tough Mudder Challenge on 5-7 Sep 2025 in Big Bear Lake.
5-7 Sep 2025
5k With 12+ Obstacles 10k With 20+ Obstacles

Always double-check with the organizer's website! This page may contain affiliate links.

About the race

The In-N-Out Burger Tough Mudder Challenge is a dynamic obstacle course event held at Bear Mountain Resort in Big Bear Lake, California. Scheduled for September 5–7, 2025, it features two race distances: a 10K with over 20 obstacles and a 5K with more than 12 obstacles, designed to test endurance, grit, and teamwork. The event supports the Slave 2 Nothing Foundation, which combats substance abuse and human trafficking.

Participants enjoy a festive atmosphere with a Mudder Village Festival and a fresh In-N-Out Double-Double® meal at the finish line. Spectator passes and VIP viewing options are available, making it a community-focused, challenging, and impactful sporting event. Visit the organization's website for the most recent information.

10 km
10k With 20+ Obstacles
5 km
5k With 12+ Obstacles

Events nearby

Experience high altitude obstacle racing at Big Bear Mountain Resort featuring steep climbs and over 1200 feet of descent. Conquer the Sprint, Super, or Beast distances to earn your Trifecta qualification in the San Bernardino National Forest.
Take on the rugged mountain challenge at Tough Mudder Big Bear. This obstacle course event features 5K and 10K distances with iconic obstacles like The Block Ness Monster. Participants earn a finisher medal, shirt, headband, and a celebratory drink.