The men's 4 × 100 metres relay event at the 2003 Pan American Games was held on August 8–9. The original winners, the United States, were later disqualified after one of their members, Mickey Grimes, was found guilty of ephedrine doping.

Medalists Vicente de LimaÉdson RibeiroAndré da SilvaClaudinei da SilvaCláudio Roberto Souza*Jarbas Mascarenhas*Nicconnor AlexanderMarc BurnsAto BoldonDarrel BrownJosé Ángel CésarJosé Carlos PeñaLuis Alexander ReyesJuan Pita *Athletes who competed in heats only. Results Heats Qualification: First 3 teams of each heat (Q) plus the next 2 fastest (q) qualified for the final.

Rank Heat Nation Athletes Time Notes 1 1 Nicconnor Alexander, Marc Burns, Ato Boldon, Darrel Brown 38.97 Q 2 1 Michael Frater, Clement Campbell, Christopher Williams, Sheldon Morant 39.02 Q 3 1 Vicente de Lima, Édson Ribeiro, Cláudio Roberto Souza, Jarbas Mascarenhas 39.10 Q 4 2 José Ángel César, José Carlos Peña, Luis Alexander Reyes, Juan Pita 39.50 Q 5 2 Michael Reckley, Clement Taylor, Jamial Rolle, Derrick Atkins 39.91 Q 6 2 Geronimo Goeloe, Charlton Raffaela, Jairo Duzant, Churandy Martina 39.95 q 7 1 Kevin Arthurton, Irvin Browne, Donnell Esdaille, Delwayne Delaney 40.37 q 8 1 Sherwin James, Chris Lloyd, Fabian Florant, Kenneth John 40.68 9 2 Ronald Forbes, Stephen Johnson, André Burton, Kareem Streete-Thompson 41.10 10 2 Orson Elrington, Michael Aguilar, Leonard Arnold, Jayson Jones 42.23 NR 2 Mickey Grimes, Jason Smoots, Marcelle Scales, Olan Coleman Doping 1 Juan Liriano, Luis Morillo, Juan Sainfleur, Joel Baez 2

Final Rank Nation Athletes Time Notes Vicente de Lima, Édson Ribeiro, André da Silva, Claudinei da Silva 38.44 Nicconnor Alexander, Marc Burns, Ato Boldon, Darrel Brown 38.53 NR José Ángel César, José Carlos Peña, Luis Alexander Reyes, Juan Pita 39.09 4 Geronimo Goeloe, Charlton Raffaela, Jairo Duzant, Churandy Martina 39.19 NR 5 Michael Reckley, Clement Taylor, Jamial Rolle, Derrick Atkins 39.72 6 Kevin Arthurton, Irvin Browne, Donnell Esdaille, Delwayne Delaney 40.37 Michael Frater, Clement Campbell, Christopher Williams, Sheldon Morant Mickey Grimes, Jason Smoots, Kenny Brokenburr, Olan Coleman Doping

References Results