Joseph De Sena, 44, has been an entrepreneur since his pre-teens. From selling fireworks at age eight, to starting a t-shirt business in high school, to building a multimillion-dollar pool business in college, to creating a Wall Street trading firm, De Sena is a living definition of the word "entrepreneur." Currently he is a managing director for ICAP, a brokerage agency.
Spartan Race has grown dramatically in 2013 over just the year before. The number of competitors now stands at approximately 350,000 racers in 60 races in 2013 in the U.S., Canada and the UK. Over 3 million "likes" are on Facebook, a new e-book is available at spartanrace.com, and an NBC Sports TV Special airs on Dec. 7, 2013. Participation in 2014 is expected to grow to 650,000 at events in 22-plus countries.