The men's 400 metre individual medley competition of the swimming events at the 1983 Pan American Games took place on 18 August. The last Pan American Games champion was Jesse Vassallo of US.Hickoksports Hickosports ResultsAll Pan medalists - MalePan American Games - Swimming and Diving page, from gbrathletics.com; retrieved 2012-04-15.ISHOF list with all medalists in Pan Am Games history

This race consisted of eight lengths of the pool. The first two lengths were swum using the butterfly stroke, the second pair with the backstroke, the third pair of lengths in breaststroke, and the final two were freestyle.Swimming technical manual

Results All times are in minutes and seconds.

KEY:qFastest non-qualifiersQQualifiedGRGames recordNRNational recordPBPersonal bestSBSeasonal best

Heats

Final The final was held on August 18. Rank Name Nationality Time Notes Ricardo Prado 4:21.43 GR Jeff Kostoff 4:27.99 Mike O'Brien 4:30.45 4 Peter Dobson 4:30.45 5 Roger Madruga 4:34.01 6 Cam Reid 4:37.16 7 Andrey Aguilar 4:41.98 8 Enrique Leite 4:47.72

References