| Date | 11 August 1984 — 17:20 |
|---|---|
| Location | Los Angeles Memorial Coliseum, Los Angeles, California |
| Pos | Lane | Competitors | NOC | Time (Automatic) | Split | Exchange | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | United States |  USA | 3:18.29 | – (–) | – (–) | |||
| Lead-Off | 389 | Lillie Leatherwood | – | 50.50 (2) | – (–) | ||||
| 2nd Leg | 384 | Sherri Howard | – | 48.83 (1) | 1:39.33 (1) | ||||
| 3rd Leg | 364 | Valerie Brisco-Hooks | – | 49.23 (1) | 2:28.56 (1) | ||||
| Anchor | 370 | Chandra Cheeseborough | – | 49.73 (1) | – (–) | ||||
| 2 | 5 | Canada |  CAN | 3:21.21 | – (–) | – (–) | |||
| Lead-Off | 41 | Charmaine Crooks | – | 50.30 (1) | – (–) | ||||
| 2nd Leg | 58 | Jill Richardson | – | 50.22 (2) | 1:40.52 (2) | ||||
| 3rd Leg | 48 | Molly Killingbeck | – | 50.62 (2) | 2:31.14 (2) | ||||
| Anchor | 54 | Marita Payne | – | 50.07 (2) | – (–) | ||||
| 3 | 4 | West Germany |  FRG | 3:22.98 | – (–) | – (–) | |||
| Lead-Off | 135 | Heike Schulte-Mattler | – | 51.73 (3) | – (–) | ||||
| 2nd Leg | 139 | Ute Thimm | – | 50.25 (3) | 1:41.98 (3) | ||||
| 3rd Leg | 121 | Heide-Elke Gaugel | – | 50.65 (3) | 2:32.63 (3) | ||||
| Anchor | 117 | Gaby Bußmann | – | 50.35 (3) | – (–) | ||||
| 4 | 2 | Great Britain |  GBR | 3:25.51 | – (–) | – (–) | |||
| Lead-Off | 173 | Michelle Scutt | – | 51.92 (5) | – (–) | ||||
| 2nd Leg | 148 | Helen Barnett | – | 51.31 (4) | 1:43.23 (4) | ||||
| 3rd Leg | 178 | Gladys Taylor | – | 51.32 (4) | 2:34.55 (4) | ||||
| Anchor | 161 | Joslyn Hoyte-Smith | – | 50.96 (4) | – (–) | ||||
| 5 | 1 | Jamaica |  JAM | 3:27.51 | – (–) | – (–) | |||
| Lead-Off | 245 | Ilrey Oliver | – | 51.82 (4) | – (–) | ||||
| 2nd Leg | 241 | Cynthia Green | – | 51.89 (5) | 1:43.71 (5) | ||||
| 3rd Leg | 247 | Cathy Rattray | – | 51.53 (5) | 2:35.24 (5) | ||||
| Anchor | 243 | Grace Jackson | – | 52.27 (6) | – (–) | ||||
| 6 | 3 | Italy |  ITA | 3:30.82 | – (–) | – (–) | |||
| Lead-Off | 228 | Patrizia Lombardo | – | 53.16 (6) | – (–) | ||||
| 2nd Leg | 224 | Cosetta Campana | – | 52.74 (6) | 1:45.90 (6) | ||||
| 3rd Leg | 229 | Marisa Masullo | – | 52.41 (7) | 2:38.31 (6) | ||||
| Anchor | 234 | Erica Rossi | – | 52.51 (7) | – (–) | ||||
| 7 | 6 | India |  IND | 3:32.49 | – (–) | – (–) | |||
| Lead-Off | 211 | M. D. Valsamma | – | 54.70 (7) | – (–) | ||||
| 2nd Leg | 208 | Vandana Rao | – | 54.15 (7) | 1:48.85 (7) | ||||
| 3rd Leg | 207 | Shiny Abraham | – | 51.89 (6) | 2:40.74 (7) | ||||
| Anchor | 210 | P. T. Usha | – | 51.75 (5) | – (–) |
