| Final A | Team | time | -time | L | React. | 50m | | 1. Felipe Franca | BRA | 1:00.34 | | 4 | 0.77s | 1. | 28.22s | | 2. Felipe Lima | BRA | 1:00.99 | 0.65s | 6 | 0.73s | 5. | 28.83s | | 3. Marcus James Titus | USA | 1:01.12 | 0.78s | 5 | 0.75s | 2. | 28.38s | | 4. Kevin Andrew Swander | USA | 1:01.17 | 0.83s | 3 | 0.70s | 3. | 28.41s | | 5. Edgar Roberto Crespo | PAN | 1:03.08 | 2.74s | 2 | 0.68s | 4. | 28.56s | | 6. Martin Melconian | URU | 1:03.10 | 2.76s | 7 | 0.77s | 8. | 29.99s | | 7. Jorge Mario Murillo | COL | 1:03.11 | 2.77s | 8 | 0.75s | 7. | 29.78s | | 8. David Oliver | MEX | 1:03.63 | 3.29s | 1 | 0.78s | 6. | 29.26s |
| Final B | Team | time | -time | L | React. | 50m | | 9. Warren Barnes | CAN | 1:03.50 | | 4 | 0.72s | 3. | 30.32s | | 10.Lucas Peralta | ARG | 1:03.53 | 0.03s | 5 | 0.85s | 4. | 30.62s | | 11.Genaro Prono | PAR | 1:04.22 | 0.72s | 3 | 0.71s | 1. | 29.90s | | 12.Rodrigo Frutos | ARG | 1:04.23 | 0.73s | 2 | 0.72s | 6. | 30.93s | | 13.Jacob Armstrong | CAN | 1:04.29 | 0.79s | 6 | 0.75s | 2. | 29.99s | | 14.Ezequiel Trujillo | MEX | 1:04.50 | 1.00s | 7 | 0.77s | 5. | 30.82s | | 15.Eladio Carrion | PUR | 1:05.22 | 1.72s | 1 | 0.64s | 7. | 31.31s | | 16.Gerardo Huidobro | PER | 1:05.68 | 2.18s | 8 | 0.70s | 8. | 31.93s |
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| World Record: Brenton Rickard (AUS) 58.58s | | Roma (ITA) | 27.07. 2009 | | Pan American Games record: Mark Gangloff (USA) 1:00.24 | | Rio de Janeiro (BRA) 17.07. 2007 |
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| Qualification: 01.01.2010 - 04.09.2011 | | Standard A: 1:04.7 | | Standard B: 1:06.6 |
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| Heats | Team | time | -time | L | React. | 50m | Heat | | 1. Felipe Franca | BRA | 1:00.71 | | 4 | 0.78s | 1. | 28.58s | 3. | | 2. Marcus James Titus | USA | 1:01.28 | 0.57s | 5 | 0.73s | 2. | 28.61s | 3. | | 3. Kevin Andrew Swander | USA | 1:01.38 | 0.67s | 4 | 0.69s | 1. | 28.70s | 2. | | 4. Felipe Lima | BRA | 1:02.24 | 1.53s | 4 | 0.72s | 3. | 29.80s | 1. | | 5. Edgar Roberto Crespo | PAN | 1:02.29 | 1.58s | 5 | 0.67s | 2. | 28.94s | 2. | | 6. Martin Melconian | URU | 1:03.05 | 2.34s | 6 | 0.74s | 3. | 29.57s | 2. | | 7. David Oliver | MEX | 1:03.23 | 2.52s | 3 | 0.79s | 1. | 29.65s | 1. | | 8. Jorge Mario Murillo | COL | 1:03.25 | 2.54s | 3 | 0.76s | 5. | 30.05s | 3. | | 9. Warren Barnes | CAN | 1:03.31 | 2.60s | 5 | 0.71s | 2. | 29.72s | 1. | | 10.Lucas Peralta | ARG | 1:03.40 | 2.69s | 2 | 0.81s | 6. | 30.29s | 3. | | 11.Genaro Prono | PAR | 1:03.79 | 3.08s | 3 | 0.71s | 5. | 30.31s | 2. | | 12.Jacob Armstrong | CAN | 1:04.02 | 3.31s | 6 | 0.71s | 3. | 29.63s | 3. | | 13.Rodrigo Frutos | ARG | 1:04.34 | 3.63s | 6 | 0.73s | 4. | 30.29s | 1. | | 14.Ezequiel Trujillo | MEX | 1:04.67 | 3.96s | 1 | 0.74s | 4. | 30.04s | 3. | | 15.Eladio Carrion | PUR | 1:05.36 | 4.65s | 1 | 0.65s | 7. | 31.04s | 1. | | 16.Gerardo Huidobro | PER | 1:05.62 | 4.91s | 8 | 0.71s | 8. | 31.49s | 3. | | 17.Renato Prono | PAR | 1:05.72 | 5.01s | 2 | 0.72s | 4. | 30.27s | 2. | | 18.Carlos Claverie | VEN | 1:05.80 | 5.09s | 7 | 0.81s | 7. | 31.50s | 2. | | 19.Diego Santander | CHI | 1:05.84 | 5.13s | 7 | 0.69s | 5. | 30.37s | 1. | | 20.Juan Alberto Guerra | ESA | 1:06.40 | 5.69s | 2 | 0.78s | 6. | 30.74s | 1. | | 21.Diguan Pigot | SUR | 1:06.54 | 5.83s | 1 | 0.71s | 6. | 31.35s | 2. | | 22.Christian Hernandez | CUB | 1:07.49 | 6.78s | 8 | 0.72s | 8. | 32.12s | 2. | | 23.Rodion Davelaar | AHO | 1:08.07 | 7.36s | 7 | 0.62s | 7. | 30.58s | 3. |
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