Del Prado is one of the two prominent athletes that was attributed to have been produced by the Gintong Alay sports program with the other athlete being Lydia de Vega. He won medals the 400m event at the 1982 and 1984 Asian Championships, as well as the 1981, 1983, 1987, and 1989 Southeast Asian Games. He along with Honesto Larce, Leopoldo Arnillo and Romeo Gido, also competed for the country in the 4x400 relay event at the Southeast Asian Games.[1]