An unbelievable loss in the 1985 Canadian championship leads curling legend Pat Ryan to perfect a dominant strategy that changes the sport forever.

After a sandstorm takes him off course, Olympian Mauro Prosperi's attempt to finish a brutal desert endurance race turns into a battle for survival.

Surya Bonaly dazzled figure skating fans with her skill, but being black in a mostly white sport made it tough to be fairly judged on the world stage.

Sled dog musher Aliy Zirkle spent years chasing a title in the famous Iditarod, but a harrowing experience on the trail in 2016 tested her fortitude.

Playground hoops legend Jack Ryan’s shot at a pro career was sunk by a bad attitude and poor discipline, but he persevered to make a life in basketball.

Forced into boxing by his abusive father, Michael Bentt became a world champ. But a knockout loss changes his life and helps him find his true passion.

On the verge of relegation — and perhaps extinction — English soccer club Torquay United gets a final chance at survival thanks to a police dog.

Golfer Jean van de Velde reflects on both the heartbreak and positives that came from his epic failure on the last hole of the 1999 Open Championship.