Career
Medrano qualified for the men"s 100 m butterfly at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 1:00.80. He participated in heat one against two other swimmers Luis Matias of Angola and Rad Aweisat of Palestine. Medrano failed to advance into the semifinals, as he placed fifty-eighth overall in the preliminaries.