Aug 2 2025 Muddy Dash | Portland | August 2nd, 2025 Register Now Viral Run • Washougal, WA Running [5K]
Sep 5-7 2025 Tough Mudder Big Bear 2025 Register Now Tough Mudder US • Big Bear Lake, CA Running [5K, 10K], Other endurance
Jun 28-29 2025 Tough Mudder Twin Cities 2025 Register Now Tough Mudder US • Hugo, MN Running [5K, 10K]
Varied Dates Muddy Princess -Punta Gorda, FL Register Now Muddy Princess Corporation • Punta Gorda, FL Running [5K]
Jun 28-29 2025 World's Toughest Mudder 2025 Register Now Tough Mudder UK • Grantham LEI, United Kingdom Running , Other endurance
Sep 13-14 2025 *CANCELLED* Toughest Pittsburgh 2025 Register Now Tough Mudder US • Slippery Rock, PA Running