More than 1 million Americans participated in the Warrior Dash obstacle course race in 2012, according to the event's website, which also touts the race's "fierce" course with "12 extreme obstacles." ...
LOS ANGELES — With macho-sounding names like Tough Mudder, Warrior Dash and the Spartan Race, obstacle course races have turned mud, sweat and tears into a flood of revenue. Over the past year, ...