SportsMuddy competitionTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSports02/24/2014February 24, 2014Twenty north German men are gearing up for one of the word's most grueling competitions: the Tough Mudder. Competitors on the muddy obstacle course need strength, willpower and team spirit.https://p.dw.com/p/1BEF9Advertisement