He learned to use a pistol at age 9 and he was first known in the national sporting scene in 1976 when he became the junior champion of the rapid fire, center fire and standard pistol events at the Benito Juarez World Shooting Championships which was hosted in
Mexico City. He won five gold medals, all in the rapid pistol event at the
Southeast Asian Games. He won in the aforementioned event at the
1979,
1983,
1987,
1993, and
2009 editions. He did not win any gold medal in the regional tournament for 16 years until he won at the rapid fire event at the
2009 Southeast Asian Games in Laos. By 2012, Padilla has competed 17 times for the Philippines in the regional tournament. He did not participate in the
1999 and
2013 Southeast Asian Games due to the non-contest of rapid fire pistol event in those two editions. By January 2010, he has won in nine Southeast Asian Shooting championships and achieved more than a dozen silver and bronze tournaments in other continental tournaments. ==Personal life==