| Final 18:25 Wind +0.5m/s | Team | time | | L | React. | Bib | | 1. Ana Claudia Lemos Da Silva | BRA | 22.76s | | 6 | 0.159 | 43 | | 2. Simone Facey | JAM | 22.86s | PB | 5 | 0.141 | 168 | | 3. Mariely Sanchez Hichez | DOM | 23.02s | PB | 4 | 0.163 | 139 | | 4. Tameka Williams | SKN | 23.06s | PB | 7 | 0.167 | 235 | | 5. Nelkis Teresa Casabona | CUB | 23.43s | | 3 | 0.142 | 104 | | 6. Roxana Tomasa Diaz | CUB | 23.45s | SB | 1 | 0.145 | 108 | | 7. Leslie Eugenia Cole | USA | 23.46s | | 2 | 0.152 | 249 | | 8. Darlenys Obregon | COL | 23.64s | | 8 | 0.150 | 89 |
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| World Record: | | Florence Griffith Joyner (USA) 21.34s | | Seoul (KOR) 29.09.1988 | | Panamerican Record: | | Evelyn Ashford (USA) 22.45s | | San Juan (PUR) 09.07.1979 |
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