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

The women's 100 metre freestyle competition of the swimming events at the 2023 Pan American Games were held on October 24, 2023, at the Aquatic Center in Santiago, Chile.

## Records

Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | Haiyang Qin (CHN) | 51.71 | Budapest, Hungary | July 23, 2017 |
| Pan American Games record | Arianna Vanderpoo-Wallace (BAH) | 53.83 | Toronto, Canada | July 14, 2015 |

## 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 24.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 5 | Amy Fulmer | United States | 54.78 | QA |
| 2 | 4 | 5 | Ana Vieira | Brazil | 54.89 | QA |
| 3 | 3 | 4 | Stephanie Balduccini | Brazil | 54.96 | QA |
| 4 | 5 | 4 | Catie De Loof | United States | 55.52 | QA |
| 5 | 4 | 2 | Anicka Delgado | Ecuador | 55.73 | QA |
| 6 | 4 | 4 | Maggie MacNeil | Canada | 55.76 | QA |
| 7 | 3 | 5 | Mary-Sophie Harvey | Canada | 55.77 | QA |
| 8 | 5 | 7 | Andrea Becali | Cuba | 56.28 | QA |
| 9 | 5 | 1 | Sofía Revilak | Mexico | 56.49 | QB |
| 10 | 5 | 3 | Elisbet Gámez | Cuba | 56.26 | QB |
| 11 | 3 | 2 | Marina Spadoni | El Salvador | 57.13 | QB |
| 12 | 4 | 3 | Celine Bispo | Brazil | 57.15 | QB |
| 13 | 3 | 3 | Karen Durango | Colombia | 57.42 | QB |
| 14 | 5 | 2 | Athena Meneses | Mexico | 57.44 | QB |
| 15 | 4 | 1 | Inés Marín | Chile | 57.45 | QB |
| 16 | 4 | 7 | María Yegres | Venezuela | 57.57 | WD |
| 17 | 3 | 7 | Rafaela Fernandini | Peru | 57.61 | QB |
| 18 | 4 | 8 | Elisabeth Timmer | Aruba | 57.86 | |
| 19 | 4 | 6 | Lucía Gauna | Argentina | 57.89 | |
| 20 | 2 | 6 | Sabrina Lyn | Jamaica | 57.99 | |
| 21 | 3 | 6 | Guillermina Ruggiero | Argentina | 58.08 | |
| 22 | 5 | 6 | Isabella Bedoya | Colombia | 58.16 | |
| 22 | 2 | 4 | Luna María Chabat | Uruguay | 58.16 | |
| 24 | 3 | 1 | Madelyn Moore | Bermuda | 58.37 | |
| 25 | 2 | 5 | Julimar Ávila | Honduras | 58.56 | |
| 26 | 5 | 8 | Beatriz Padrón | Costa Rica | 58.67 | |
| 27 | 3 | 8 | María Schutzmeier | Nicaragua | 58.78 | |
| 28 | 2 | 7 | Monstserrat Spielmann | Chile | 59.08 | |
| 29 | 2 | 1 | Zaylie Thompson | Bahamas | 59.34 | |
| 30 | 2 | 3 | María Santis | Independent Athletes Team | 59.36 | |
| 31 | 2 | 2 | María Castillo | Panama | 59.39 | |
| 32 | 2 | 8 | Kyra Rabess | Cayman Islands | 59.81 | |
| 33 | 1 | 4 | Tilly Collymore | Grenada | 59.87 | |
| 34 | 1 | 6 | Aleka Persaud | Guyana | 1:00.96 | |
| 35 | 1 | 3 | Stefania Piccardo | Paraguay | 1:01.31 | |
| 36 | 1 | 7 | Natalia Kuipers | Virgin Islands | 1:01.89 | |
| 37 | 1 | 5 | Harper Barrowman | Cayman Islands | 1:02.28 | |
| 38 | 1 | 2 | Kennice Greene | Saint Vincent and the Grenadines | 1:02.41 | |
| 39 | 1 | 1 | Kaeylin Djoparto | Suriname | 1:08.74 | |

### Final B

The B final was held on October 23.
| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 5 | Elisbet Gámez | Cuba | 56.48 | |
| 10 | 3 | Marina Spadoni | El Salvador | 56.72 | NR |
| 11 | 1 | Inés Marín | Chile | 57.03 | |
| 12 | 4 | Sofía Revilak | Mexico | 57.31 | |
| 13 | 8 | Rafaela Fernandini | Peru | 57.34 | |
| 14 | 2 | Karen Durango | Colombia | 57.75 | |
| 14 | 7 | Athena Meneses | Mexico | 57.75 | |
| 16 | 6 | Celine Bispo | Brazil | 57.82 | |

### Final A

The A final was held on October 23.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 7 | Maggie MacNeil | Canada | 53.64 | GR |
| | 3 | Stephanie Balduccini | Brazil | 54.13 | |
| | 6 | Catie De Loof | United States | 54.50 | |
| 4 | 1 | Mary-Sophie Harvey | Canada | 54.64 | |
| 5 | 4 | Amy Fulmer | United States | 54.90 | |
| 6 | 5 | Ana Vieira | Brazil | 55.07 | |
| 7 | 2 | Anicka Delgado | Ecuador | 55.95 | |
| 8 | 8 | Andrea Becali | Cuba | 56.12 | |