Wouldn't that make the Jamaican the world champion Here's what to know about the track finish line rules and what part of the body has to cross the finish line to officially end a race.

A true show of sportsmanship was on full display, and captured on camera by a proud dad, when one runner in the final race of her high school career helped a competitor across the finish line.

Here's what to know. What body part has to cross the finish line to win a track race in the Olympics? Some spectators have disagreed with Lyles' win in the 100 final, claiming that another runner ...