In 1998 Tyree Washington was part of a 4x400-meter relay team that set the world record. Washington, Antonio Pettigrew, Michael Johnson and Jerome Young clocked a time of 2 minutes, 54.2 seconds. But in 2008, Pettigrew testified in federal court that he had used performance-enhancing drugs from 1997 to 2001. The world record was taken away.

That experience is among the reasons why Washington, a motivational speaker and coach, has established a foundation called Killaroid. Its mission to teach young athletes how to make the right decisions when it comes to performance-enhancing drugs. Here is more of Washington's story in his own words:

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