# Swimming at the 2023 Pan American Games – Women's 100 metre backstroke

The women's 100 metre backstroke competition of the swimming events at the 2023 Pan American Games were held on October 25, 2023, at the Aquatic Center in Santiago, Chile.

## Records

| World record | Kaylee McKeown (AUS) | 57.45 | Adelaide, Australia | June 13, 2021 |
| Pan American Games record | Phoebe Bacon (USA) | 59.02 | Lima, Peru | August 10, 2019 |

## Results

| KEY: | QA | Qualified for A final | QB | Qualified for B final | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |

### Heats

The first round was held on October 25.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Josephine Fuller | United States | 1:00.17 | QA |
| 2 | 4 | 4 | Kennedy Noble | United States | 1:00.29 | QA |
| 3 | 4 | 5 | Madelyn Gatrall | Canada | 1:01.79 | QA |
| 4 | 3 | 5 | Miranda Grana | Mexico | 1:01.97 | QA |
| 5 | 2 | 6 | Carla González | Venezuela | 1:02.09 | QA |
| 6 | 2 | 4 | Danielle Hanus | Canada | 1:02.14 | QA |
| 7 | 2 | 7 | Isabella Arcila | Colombia | 1:02.20 | QA |
| 8 | 4 | 6 | Emma Harvey | Bermuda | 1:02.42 | QA |
| 9 | 2 | 5 | Andrea Berrino | Argentina | 1:02.53 | QB |
| 10 | 3 | 3 | Julia Karla Góes | Brazil | 1:03.02 | QB |
| 11 | 3 | 2 | Andrea Sansores | Mexico | 1:03.10 | QB |
| 12 | 2 | 2 | McKenna DeBever | Peru | 1:03.23 | QB |
| 13 | 4 | 3 | Athena Meneses | Mexico | 1:03.24 | QB |
| 14 | 2 | 3 | Maria Luiza Pessanha | Brazil | 1:03.5 | QB |
| 15 | 3 | 6 | Abril Aunchayna | Uruguay | 1:03.76 | QB |
| 16 | 3 | 8 | Celina Márquez | El Salvador | 1:03.97 | QB |
| 17 | 4 | 2 | Alexia Sotomayor | Peru | 1:04.08 | |
| 18 | 1 | 4 | Melissa Diego Pierri | Independent Athletes Team | 1:04.40 | |
| 19 | 3 | 7 | Elizabeth Jimenez | Dominican Republic | 1:04.43 | |
| 20 | 4 | 7 | Danielle Titus | Barbados | 1:04.66 | |
| 21 | 2 | 1 | Sarah Szklaruk | Chile | 1:04.71 | |
| 22 | 4 | 1 | Andrea Becali | Cuba | 1:05.11 | |
| 23 | 3 | 1 | Carolina Cermelli | Panama | 1:06.18 | |
| 24 | 1 | 3 | Leanna Wainwright | Jamaica | 1:06.20 | |
| 25 | 4 | 8 | Maria Jose Arrua | Paraguay | 1:06.47 | |
| 26 | 1 | 5 | Martina Röper Joo | Chile | 1:07.94 | |

### Final B

The B final was also held on October 25.
| Rank | Lane | Name | Nationality | Time |
| 9 | 7 | Maria Luiza Pessanha | Brazil | 1:02.42 |
| 10 | 3 | Andrea Sansores | Mexico | 1:02.81 |
| 11 | 2 | Athena Meneses | Mexico | 1:02.97 |
| 12 | 4 | Andrea Berrino | Argentina | 1:03.21 |
| 13 | 1 | Abril Aunchayna | Uruguay | 1:03.23 |
| 14 | 5 | Julia Karla Góes | Brazil | 1:03.47 |
| 15 | 6 | McKenna DeBever | Peru | 1:03.54 |
| 16 | 8 | Celina Marquez | El Salvador | 1:04.12 |

### Final A

The A final was also held on October 25.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Josephine Fuller | United States | 59.67 | |
| | 5 | Kennedy Noble | United States | 59.84 | |
| | 7 | Danielle Hanus | Canada | 1:01.49 | |
| 4 | 3 | Madelyn Gatrall | Canada | 1:01.50 | |
| 5 | 6 | Miranda Grana | Mexico | 1:01.51 | |
| 6 | 2 | Carla González | Venezuela | 1:01.92 | |
| 7 | 1 | Isabella Arcila | Colombia | 1:02.19 | |
| 8 | 8 | Emma Harvey | Bermuda | 1:02.35 | NR |