By Matthew Reitman / October 30, 2016

Why Obstacle Course Racing Could Be the Next Big Sport

People compete during the fire obstacle part of the Tough Viking race on September 1, 2013 in Stockholm. (Jonathan Nackstrand/AFP/Getty Images)
People compete during the fire obstacle part of the Tough Viking race on September 1, 2013 in Stockholm. (Jonathan Nackstrand/AFP/Getty Images)