Although a little over 3 and a half years old, Tough Mudder has grown to be the pre-eminent company in its industry, creating unconventional life-changing experiences through its unique obstacle course events held in the United States, Canada, Australia, Germany and the UK. The company has sold over one million registrations, employs over 140 people, and will hit $130 million in revenues this year. And oh yeah: Tough Mudder is entirely self-financed by its founders. Guy Livingstone will discuss what it took to build his company from nothing.