Tough Mudder - Big Bear

Tough Mudder Big Bear, held at Bear Mountain in Big Bear Lake, California, is a challenging obstacle course event featuring customized 5K and 10K courses with 12+ and 20 obstacles respectively. The event, taking place over a weekend in September 2025, offers participants epic views, teamwork-driven challenges, and exclusive co-branded swag. It supports the Slave 2 Nothing® Foundation, which fights substance abuse and human trafficking.

After completing the course, participants enjoy a finisher meal featuring In-N-Out Burger’s iconic Double-Double®. The event also includes a Mudder Village Festival with live entertainment, spectator routes, and VIP group packages for an enhanced experience. Visit the organization's website for the most recent information.