Career
Nguyen qualified only for the men"s 200 m breaststroke at the 2000 Summer Olympics in Sydney, by receiving a Universality place from FINA, in an entry time of 2:23.75. He participated in heat one against two other swimmers Andrés Bicocca of Argentina and Leonard Ngoma of Zambia. Nguyen failed to advance into the semifinals, as he placed forty-fifth overall in the prelims.
