Tough Mudder is an obstacle course racing event company that has expanded globally since 2010. It has received over $1 billion in media impressions and partnerships with major brands. The Tough Mudder World's Toughest Mudder is their premier annual event featuring elite athletes competing in a 24-hour obstacle course race in Las Vegas for a $75,000 prize. They have over 500 million media impressions in 2015 and events scheduled across North America in locations like New York, Chicago, and California.