The Men's 400 meter freestyle event at the 2003 Pan American Games took place on August 15, 2003 (Day 15 of the Games).

Medalists

Records Record Athlete Time Date Venue World Record 3:40.08 2002-07-30 Manchester, United Kingdom Pan Am Record 3:50.38 1991-08-16 Havana, Cuba

Results PlaceSwimmerHeatsFinalTimeRankTime 1 3:54.12 2 3:50.01 National record 2 3:52.66 1 3:52.62 3 3:58.84 5 3:54.82 4 3:56.69 3 3:56.64 5 3:58.46 4 3:57.89 6 3:59.15 6 3:58.57 7 4:01.79 8 4:01.86 8 3:59.38 7 4:03.10 9 4:02.00 9 4:01.41 10 4:07.87 11 4:05.03 11 4:08.53 12 4:08.20 12 4:14.60 15 4:09.20 13 4:10.75 13 4:10.16 14 4:11.82 14 4:10.81 15 4:15.74 16 4:15.44 16 4:16.14 17 4:17.18 18 4:20.83 18 — 4:03.92 10 DNS

Notes

References 2003 Pan American Games Results: Day 13, CBC online; retrieved 2009-06-13. usaswimming Records