Running for their lives: Mexico's teenage Raramuri

Athletics coach Carlos Ortega saw only fleeting glimpses of the "floating running style" he has been trying to teach his young trainees, but that did not mean he was disappointed with the teenagers' showing at a race meet in early December in Chihuahua City, northern Mexico.

"Losing is important, too," Ortega told Al Jazeera, optimistically. "Unless you build character, success will go to your head and losing will cut to your heart."Read more