| Event: | Women's 100 metre backstroke |
| Games: | 1984 Summer |
| Venue: | McDonald's Olympic Swim Stadium |
| Date: | 31 July 1984 (heats & final) |
| Competitors: | 32 |
| Nations: | 22 |
| Gold: | Theresa Andrews |
| Goldnoc: | USA |
| Silver: | Betsy Mitchell |
| Silvernoc: | USA |
| Bronze: | Jolanda de Rover |
| Bronzenoc: | NED |
| Win Value: | 1:02.55 |
| Prev: | 1980 |
| Next: | 1988 |
The final of the women's 100 metre backstroke event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on July 31, 1984.[1]
Prior to this competition, the existing world and Olympic records were as follows.
Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).[2]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 1:02.53 | Q | |||
| 2 | 1 | 4 | 1:02.94 | Q | |||
| 4 | 5 | Q | |||||
| 4 | 4 | 2 | 1:03.61 | Q, NR | |||
| 5 | 4 | 4 | 1:03.79 | Q | |||
| 6 | 2 | 5 | 1:04.02 | Q | |||
| 7 | 3 | 4 | 1:04.16 | Q | |||
| 8 | 1 | 3 | 1:04.57 | ||||
| 2 | 5 | ||||||
| 10 | 2 | 3 | 1:04.77 | q | |||
| 11 | 3 | 5 | 1:04.90 | q | |||
| 12 | 3 | 3 | 1:04.92 | q | |||
| 13 | 1 | 5 | 1:04.96 | q | |||
| 14 | 1 | 6 | 1:05.03 | q | |||
| 15 | 4 | 7 | 1:05.17 | q | |||
| 16 | 3 | 6 | 1:05.18 | q | |||
| 17 | 3 | 2 | 1:05.27 | ||||
| 18 | 1 | 7 | 1:05.60 | ||||
| 19 | 1 | 2 | 1:06.04 | ||||
| 20 | 4 | 6 | 1:06.09 | ||||
| 21 | 4 | 3 | 1:06.39 | ||||
| 22 | 2 | 6 | 1:07.07 | ||||
| 23 | 3 | 7 | 1:07.23 | ||||
| 24 | 2 | 7 | 1:07.35 | ||||
| 25 | 3 | 1 | 1:08.21 | ||||
| 26 | 1 | 1 | 1:09.70 | ||||
| 27 | 4 | 8 | 1:10.19 | ||||
| 28 | 2 | 8 | 1:10.28 | ||||
| 29 | 1 | 8 | 1:10.49 | ||||
| 30 | 2 | 1 | 1:10.60 | ||||
| 31 | 3 | 8 | 1:11.30 | ||||
| 4 | 1 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 5 | 1:04.33 | Q, NR | |||
| 2 | 4 | 1:04.82 | q |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 9 | 2 | 1:04.15 | ||||
| 10 | 5 | 1:04.52 | ||||
| 3 | ||||||
| 12 | 4 | 1:04.75 | ||||
| 13 | 7 | 1:04.99 | ||||
| 14 | 6 | 1:05.13 | ||||
| 15 | 1 | 1:05.33 | ||||
| 16 | 8 | 1:06.11 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 3 | 1:02.55 | |||||
| 4 | 1:02.63 | |||||
| 5 | 1:02.91 | |||||
| 4 | 2 | 1:03.21 | ||||
| 5 | 1 | 1:03.29 | ||||
| 6 | 7 | 1:03.46 | NR | |||
| 7 | 6 | 1:04.16 | ||||
| 8 | 8 | 1:04.47 |