The Men's 100m Breaststroke event at the 2003 Pan American Games took place on August 12, 2003 (Day 11 of the Games).

Medalists

Records Record Athlete Time Date Venue World Record 59.78 2003-07-21 Barcelona, Spain Pan Am Record 1:00.99 1999-08-02 Winnipeg, Canada

Results PlaceSwimmerHeatsFinalTimeRankTime 1 1:02.04 1 1:00.95 2 1:02.15 2 1:01.71 3 1:02.77 3 1:01.88 SA 4 1:03.03 5 1:02.13 5 1:02.98 4 1:02.81 6 1:03.92 7 1:03.44 7 1:03.83 6 1:03.55 8 1:03.96 8 1:03.65 9 1:45.27 20 1:03.82 10 1:05.38 10 1:04.01 11 1:05.69 12 1:05.43 12 1:05.12 9 1:05.47 13 1:06.54 13 1:05.63 14 1:05.39 11 1:05.65 15 1:07.02 14 1:06.66 16 1:07.44 15 1:07.34 17 1:07.64 16 18 1:09.28 17 19 1:10.29 18 20 1:10.78 19

Notes

References usaswimming Records