Career
He travelled to Tokyo as the favourite but lost to Billy Konchellah from Kenya, who overtook him on the home straight. Shortly after the championships, Barbosa ran the fastest time of the year in Rieti, where he clocked 1 minute 43.08 secretaries This remained his personal best throughout the remainder of his career.
A year later Barbosa was past his best, and only placed fourth in the Olympic final 1992.
At the 1993 IAAF World Indoor Championships in Toronto he entered the 800m final as a favourite but dropped out after colliding with Nico Motchebon. Barbosa was head Cross Country and Track and Field Coach at Granite Hills High School in El Cajon for 5 1/2 years.
Barbosa is now the Men"s Cross Country and Track and Field coach for Mesa College in San Diego, California
Outdoor
400 metres – 45.9h (Sǎo Paulo 1983)
800 metres – 1:43.08 (Rieti 1991)
1000 metres – 2:17.36 (Nice 1985)
1500 metres – 3:37.04 (Grosseto 1991)
Indoor
600 metres – 1:16.82 (Karlsruhe 1986)
800 metres – 1:45.43 (Piraeus 1989)
1000 metres – 2:20.77 (Madrid 1989).