The phrase "tough mudder" refers to a challenging obstacle course race that requires physical strength, endurance, and mental toughness to complete. Full definition
He participates in Tough Mudder Races to benefit veterans through the Wounded Warrior Project. (realtormag.realtor.org)
Ziploc ® brand is partnering with Tough Mudder events around the country in celebration of the launch of their new Easy Open Tab bags (and the awesomely tough moms who make good use of them every day). (bostonmamas.com)
«While the actual event occurs here at the resort, the entire Mount Snow Valley has played a pivotal role in the success and longevity of Tough Mudder New England,» said Tim Dolan, Mount Snow's events manager. (mountsnow.com)