Trapp was a World-Class sprinter. At the 1991 World University Games he won a gold medal in the 4 x 100 meter relay. He was a 1992 U.S. Olympic Team alternate in the 4x100 meter relay. At the 1993 IAAF World Indoor Championships, Trapp won the gold medal in the 200 meter dash, with a time of 20.60 seconds.
His personal bests are 10.03 seconds in the 100 meters and 20.17 seconds in the 200 meters, but also competed in the 55 meters, posting a personal best of 6.16 seconds.