Mezue ahịrịokwu a: N'afọ 1992, da Silva gbara onye nke abụọ na Los Angeles Marathon. N'oge agbụrụ ahụ, ọ nọ n'azụ ụgbọ ala mgbasa ozi, nke gbochiri ya inwe ike ịchụ onye mmeri agbụrụ John Treacy. Ka afọ ahụ na-aga, ọ bịara nke ise na Boston Marathon, na oge 2:11:53. Da Silva gbara asọmpi na
ihe omume marathon na 1992 Summer Olympics na Barcelona, Spain. Ọ gbara onye nke 56 n'oge 2:26:00.