article_snippet: Tough Mudder, which was started by two Harvard Business School graduates in 2010, is an endurance event series which now takes place all over the world.
article_snippet: The next Tough Mudder events are set to take place on May 2 and 3 in London, Texas and Atlanta.
article_snippet: Tough Mudder, which was started by two Harvard Business School graduates in 2010, is an endurance event series which now takes place all over the world .
article_snippet: Following the leader: The first Tough Mudder challenge was held in the U.S. in 2010 - to date, more than 1.3 million people worldwide have participated in The next Tough Mudder events .
article_snippet: Ready for more: The next Tough Mudder events are set to take place on May 2 and 3 simultaneously in London, Texas and Atlanta .
highlights_snippet: Tough Mudder, which was started by two Harvard Business School graduates in 2010, is an endurance event series .
  
highlights_snippet: The next Tough Mudder events are set to take place on May 2 and 3  in London, Texas and Atlanta .
  