The men's 4 × 100 metre medley relay competition of the swimming events at the 1971 Pan American Games took place on 11 August. The defending Pan American Games champion is the United States.Resultados

Results All times are in minutes and seconds.

KEY:qFastest non-qualifiersQQualifiedGRGames recordNRNational recordPBPersonal bestSBSeasonal best

Heats

Final The final was held on August 11. Rank Name Nationality Time Notes John Murphy Brian Job Jerry Heidenreich Frank Heckl 3:56.1 GR John Hawes William Mahony Byron MacDonald Robert Kasting 4:00.5 César Lourenço José Fiolo Flávio Machado José Aranha 4:02.9 SA 4 - - - - 4:04.0 5 - - - - 4:16.0 6 - - - - 4:19.2 7 - - - - 4:19.3 8 - - - - 4:19.6

References