Sep 13-14 2025 *CANCELLED* Toughest Pittsburgh 2025 Register Now Tough Mudder US • Slippery Rock, PA Running
Aug 2 2025 Muddy Dash | Portland | August 2nd, 2025 Register Now Viral Run • Washougal, WA Running [5K]
Jun 28-29 2025 Tough Mudder Twin Cities 2025 Register Now Tough Mudder US • Hugo, MN Running [5K, 10K]
Sep 5-7 2025 Tough Mudder Big Bear 2025 Register Now Tough Mudder US • Big Bear Lake, CA Running [5K, 10K], Other endurance
Jul 19 2025 Muddy Dash | Spokane | July 19th, 2025 Register Now Viral Run • Airway Heights, WA Running [5K]