What price would your body pay to prove how tough you are? May 8, 2014— -- Despite their hefty price tags and reports of bloody diarrhea and even deaths, obstacle races like Spartan Race, Tough ...

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." ...

Levi Gobin is blind, determined, and totally fearless. The 17-year-old from Sarasota, Florida, was born without sight due to a condition called optic nerve hypoplasia. He also has partial hearing loss ...