Swimming at the 2019 Pan American Games – Women's 100 metre breaststroke
The women's 100 metre breaststroke competition of the swimming events at the 2019 Pan American Games are scheduled to be held August 6th, 2019 at the Villa Deportiva Nacional Videna cluster.
Records
Prior to this competition, the existing world and Pan American Games records were as follows:| World record | 1:04.13 | Budapest, Hungary | July 25, 2017 | |
| Pan American Games record | 1:05.64 | Toronto, Canada | July 17, 2015 |
Results
Heats
The first round was held on August 6.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Anne Lazor | 1:06.79 | QA | |
| 2 | 3 | 5 | Julia Sebastián | 1:06.98 | QA, SA | |
| 3 | 3 | 4 | Molly Hannis | 1:07.59 | QA | |
| 4 | 1 | 5 | Byanca Rodríguez Villanueva | 1:08.30 | QA | |
| 5 | 3 | 3 | Jhennifer Conceição | 1:08.37 | QA | |
| 6 | 1 | 4 | Faith Knelson | 1:08.47 | QA | |
| 7 | 3 | 6 | Mercedes Toledo Salazar | 1:09.74 | QA, NR | |
| 8 | 1 | 3 | Esther González | 1:10.22 | QA | |
| 9 | 2 | 5 | Macarena Ceballos | 1:10.27 | QB | |
| 10 | 2 | 3 | Pâmela de Souza | 1:10.65 | QB | |
| 11 | 1 | 6 | Paula Matsumoto | 1:11.21 | QB | |
| 12 | 2 | 6 | Laura Morley | 1:11.28 | QB | |
| 13 | 1 | 2 | Emily Santos | 1:12.39 | QB | |
| 14 | 2 | 2 | Daysi Ramírez Garlobo | 1:13.75 | QB | |
| 15 | 2 | 7 | Elisa Funes Jovel | 1:14.85 | QB, NR | |
| 16 | 3 | 2 | Micaela Sierra Graf | 1:15.02 | QB | |
| 17 | 1 | 7 | Sofia Lopez Chaparro | 1:15.99 | ||
| 18 | 2 | 1 | Krista Jurado Schmoock | 1:16.20 | ||
| 19 | 1 | 1 | Emilie Grand'Pierre | 1:17.04 | ||
| 20 | 3 | 7 | Evita Leter | 1:18.44 | ||
| 21 | 3 | 1 | Adriana Buendia Cornejo | 1:18.82 |
Final B
The B final was also held on August 6.| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 4 | Macarena Ceballos | 1:09.48 | ||
| 10 | 5 | Pâmela de Souza | 1:10.78 | ||
| 11 | 6 | Laura Morley | 1:11.00 | ||
| 12 | 3 | Paula Matsumoto | 1:11.08 | ||
| 13 | 7 | Daysi Ramírez Garlobo | 1:13.63 | ||
| 14 | 2 | Emily Santos | 1:14.45 | ||
| 15 | 1 | Elisa Funes Jovel | 1:14.67 | NR | |
| 16 | 8 | Micaela Sierra Graf | 1:16.08 |
Final A
The A final was also held on August 6.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Anne Lazor | 1:06.94 | |||
| 5 | Julia Sebastián | 1:07.09 | |||
| 7 | Faith Knelson | 1:07.42 | |||
| 4 | 6 | Byanca Rodríguez Villanueva | 1:07.74 | ||
| 5 | 2 | Jhennifer Conceição | 1:08.00 | ||
| 6 | 3 | Molly Hannis | 1:08.32 | ||
| 7 | 8 | Esther González | 1:10.04 | ||
| 8 | 1 | Mercedes Toledo Salazar | 1:10.20 |