Inaldo Justino de Sena (born 18 June 1971) is a Brazilian former male track and field sprinter who specialised in the 400 metres. He represented his country at the World Championships in Athletics in 1995 and took a bronze medal at the 1994 IAAF World Cup. He won two gold and four silver medals at the Ibero-American Championships in Athletics during his career. Regionally, he was a three-time South American junior champion and went on to win two individual silver medals at the senior South American Championships in Athletics. He was a three-time Brazilian sprint champion. His personal best of 45.02 seconds was set in 1994. Career Sena had a highly successful junior career, starting with a 400 m gold at the 1986 South American Youth Championships in Athletics. He was the silver medallist at the 1987 South American Junior Championships in Athletics then won three straight 400 m gold medals at the competition from 1988 to 1990. He was also a double silver medallist at the Pan American Junior Championships in 1989, taking individual and relay medals. Sena won his first senior medals at the age of nineteen at the 1990 Ibero-American Championships in Athletics. On home soil in Manaus, he won the 400 m final in 46.54 seconds before teaming up with Eronilde de Araújo to win the 4 × 400 metres relay. It was the first time Brazil had won either of those titles at the competition. He subsequently rose to become one of Brazil's best sprinters of the era, taking three national titles in the 400 m at the Brazilian Athletics Championships from 1992 to 1995. He ran at the 1991 IAAF World Indoor Championships, making it to the semi-finals. An attempted defence of his titles at the 1992 Ibero-American Championships in Athletics resulted in silver medals: he was beaten in the individual event by compatriot Sidnei Telles de Souza and by a strong Cuban team in the relay. Further silver medals in the 400 m came at the South American Championships in Athletics, in both 1993 (behind Wilson Cañizales) and 1995 (behind Sanderlei Parrela). He won the first and only global medal of his career in this period, taking bronze for the Americas team at the 1994 IAAF World Cup, and also coming fifth in the relay. He recorded his lifetime best run of 45.02 seconds that same year in Madrid. He made his major