sentences:  He is a four-time US champion (2000, 2002, 2003, 2006) and was the 1999 NCAA champion while attending the University of Tennessee.He finished fifth at the 2000 Olympic decathlon, and competed in but did not finish the decathlon due to a foot injury at the 2004 Olympic Games.His personal best in the decathlon is 8,784 points while winning the 2003 US Championships held at Stanford University, CA.