Best of Tough MudderWith no podiums, winners or clocks to race against, Tough Mudder's 10-12 mile mud and obstacle course tests your physical strength, stamina and mental grit. SI Staff|Share on FacebookShare on XAdd us as a preferred sourceBest of Tough MudderBest of Tough MudderAdd us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Jun 13, 2016 | Modified Jun 13, 2016SI STAFFShare on FacebookShare on XHome/Edge