Final A | Team | time | -time | L | React. | 50m | 1. Thiago Pereira | --- | 54.56s | | 5 | 0.60s | 4. | 26.59s | 2. Eugene Godsoe | --- | 54.61s | 0.05s | 4 | 0.61s | 2. | 26.49s | 3. Guilherme Guido | --- | 54.81s | 0.25s | 6 | 0.66s | 1. | 26.20s | 4. David Pratley Russell | --- | 54.87s | 0.31s | 3 | 0.60s | 3. | 26.50s | 5. Federico Grabich | --- | 55.22s | 0.66s | 2 | 0.64s | 5. | 27.01s | 6. Pedro Luis Medel | --- | 56.16s | 1.60s | 7 | 0.68s | 6. | 27.03s | 7. Luis Rojas | --- | 57.54s | 2.98s | 1 | 0.54s | 8. | 27.95s | 8. Charles Hockin | --- | 57.63s | 3.07s | 8 | 0.62s | 7. | 27.54s |
Final B | Team | time | -time | L | React. | 50m | 9. Miguel Eduardo Robles | --- | 58.29s | | 4 | 0.71s | 1. | 28.33s | 10.Anival Rodriguez | --- | 59.11s | 0.82s | 5 | 0.55s | 2. | 28.80s |
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<<`33 | World record: | Pan American Games record: |
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Qualification: | Standard A: 56.7s | Standard B: 58.6s |
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Heats | Team | time | -time | L | React. | 50m | Heat | 1. Eugene Godsoe | --- | 55.04s | | 4 | 0.65s | 2. | 27.15s | Heat 2. | 2. Thiago Pereira | --- | 55.50s | 0.46s | 5 | 0.66s | 1. | 26.80s | Heat 2. | 3. David Pratley Russell | --- | 55.57s | 0.53s | 4 | 0.58s | 1. | 26.69s | Heat 1. | 4. Guilherme Guido | --- | 55.71s | 0.67s | 5 | 0.66s | 2. | 26.81s | Heat 1. | 5. Federico Grabich | --- | 56.00s | 0.96s | 3 | 0.65s | 3. | 26.85s | Heat 1. | 6. Pedro Luis Medel | --- | 56.71s | 1.67s | 6 | 0.73s | 3. | 27.35s | Heat 2. | 7. Omar Andres Pinzon | --- | 56.82s | 1.78s | 3 | 0.58s | 4. | 27.73s | Heat 2. | 8. Luis Rojas | --- | 57.61s | 2.57s | 6 | 0.58s | 4. | 27.47s | Heat 1. | 9. Charles Hockin | --- | 57.65s | 2.61s | 2 | 0.62s | 5. | 27.62s | Heat 1. | 10.Miguel Eduardo Robles | --- | 57.93s | 2.89s | 7 | 0.69s | 5. | 28.27s | Heat 2. | 11.Anival Rodriguez | --- | 59.29s | 4.25s | 2 | 0.57s | 6. | 28.41s | Heat 2. |
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