lol, hence the "On average, only 78% of participants finish a Tough Mudder event." Also, Mudder is not all about speed "The average Tough Mudder will complete the course in around two and quarter hours". The obstacles are much harder too. For instance:
a run through 10000V wires...
![Image](http://toughmudder.com/wp-content/uploads/2010/01/Tough_Mudder_Gudkov_Facebook0100.jpg)