| 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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| Heats - Wednesday 26.10 - First 3 and Best 2 progress. |
| Heat 1 16:35 Wind +0.0m/s | Team | time | | L | React. | Bib | | 1. Ana Claudia Lemos Da Silva | BRA | 22.72s | | 4 | 0.185 | 43 | | 2. Simone Facey | JAM | 22.99s | PB | 8 | 0.196 | 168 | | 3. Tameka Williams | SKN | 23.25s | SB | 2 | 0.150 | 235 | | 4. Roxana Tomasa Diaz | CUB | 23.61s | SB | 7 | 0.179 | 108 | | 5. Erika Benilda Chavez | ECU | 23.67s | | 3 | 0.232 | 145 | | 6. Consuella Renee Moore | USA | 24.23s | | 6 | 0.190 | 271 | | 7. Julia Mccord | BIZ | 33.01s | | 5 | 0.156 | 20 |
| Heat 2 16:42 Wind +0.5m/s | Team | time | | L | React. | Bib | | 1. Nelkis Teresa Casabona | CUB | 23.34s | | 5 | 0.136 | 104 | | 2. Mariely Sanchez Hichez | DOM | 23.45s | PB | 7 | 0.274 | 139 | | 3. Darlenys Obregon | COL | 23.50s | | 4 | 0.219 | 89 | | 4. Leslie Eugenia Cole | USA | 23.55s | | 1 | 0.153 | 249 | | 5. Anastasia Leroy | JAM | 23.68s | | 2 | 0.209 | 171 | | 6. Vanda Gomes | BRA | 23.89s | | 3 | 0.192 | 40 | | 7. Ramona Van Der Vloot | SUR | 24.69s | | 8 | 0.239 | 236 | | -. Charnelle Enriquez | BIZ | DNS | | 6 | | 18 |
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