- Track and Field Alumni and Trainees
- Hometown: Portsmouth, Virginia
- Languages Spoken: English
Merritt is an American track and field athlete who competes in sprinting events, specializing in the 400 meters. He is a former Olympic champion over the distance and his personal best of 43.75 seconds makes him the fifth fastest of all time.
He was a successful junior athlete and won the 400 m gold at the 2004 World Junior Championships in Athletics, as well as setting two world junior records in the relays. He became part of the American 4×400 meter relay team and helped win the event at the 2006 IAAF World Indoor Championships. He established himself individually in 2007 by winning a silver medal in the 400 m at the 2007 World Championships.