| Year: | 2023 |
| Event: | Men's 100 metre breaststroke |
| Venue: | Aquatic Center |
| Date: | October 21, 2023 |
| Competitors: | 27 |
| Nations: | 19 |
| Prev: | 2019 |
| Goldnoc: | USA |
| Gold: | Jacob Foster |
| Silver: | Noah Nichols |
| Silvernoc: | USA |
| Bronze: | Miguel de Lara |
| Bronzenoc: | MEX |
| Next: | 2027 |
The men's 100 metre breaststroke competition of the swimming events at the 2023 Pan American Games were held October 21, 2023 at the Aquatic Center in Santiago, Chile.[1] [2]
| World record | 56.88 | Gwangju, South Korea | July 21, 2019 | ||
| Pan American Games record | 59.21 | Toronto, Canada | July 17, 2015 |
| KEY: | QA | Qualified for A final | QB | Qualified for B final | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
The first round was held on October 21.[3]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 4 | Jacob Foster | 1:00.85 | QA | ||
| 2 | 2 | 4 | João Gomes Júnior | 1:00.89 | QA | ||
| 3 | 4 | 4 | Noah Nichols | 1:01.10 | QA | ||
| 4 | 4 | 3 | Gabe Mastromatteo | 1:01.37 | QA | ||
| 5 | 2 | 3 | Raphael Windmuller | 1:01.43 | QA | ||
| 6 | 3 | 5 | Jorge Murillo | 1:01.46 | QA | ||
| 7 | 3 | 3 | Xavier Ruiz | 1:01.67 | QA | ||
| 8 | 4 | 5 | Miguel de Lara | 1:01.75 | QA | ||
| 9 | 4 | 6 | Mariano Lazzerini | 1:01.90 | QB | ||
| 10 | 2 | 5 | James Dergousoff | 1:02.19 | QB | ||
| 11 | 4 | 8 | Tomas Peribonio | 1:02.21 | QB, NR | ||
| 12 | 4 | 2 | Andres Puente | 1:02.42 | QB | ||
| 13 | 3 | 6 | Juan García | 1:02.77 | QB | ||
| 14 | 2 | 2 | Gabriel Morelli | 1:03.08 | QB | ||
| 15 | 2 | 6 | Juan Carrocia | 1:03.20 | QB | ||
| 16 | 3 | 7 | Josué Domínguez | 1:03.52 | QB | ||
| 17 | 4 | 7 | Andres Martijena | 1:03.64 | |||
| 18 | 3 | 1 | Tyler Christianson | 1:03.73 | |||
| 19 | 2 | 8 | Vicente Villaneuva | 1:03.80 | |||
| 20 | 3 | 8 | Maximiliano Cereceda | 1:04.31 | |||
| 21 | 2 | 7 | Eric Veit | 1:04.31 | |||
| 22 | 4 | 1 | Kito Campbell | 1:05.08 | |||
| 23 | 2 | 1 | Adriel Sanes | 1:06.13 | |||
| 24 | 1 | 4 | Mark-Anthony Thompson | 1:07.18 | |||
| 25 | 1 | 5 | Samuel Williamson | 1:08.13 | |||
| 26 | 1 | 3 | Nector Segovia | 1:09.26 | |||
| 27 | 1 | 6 | Nikolas Sylvester | 1:13.11 |
The B final was also held on October 21.[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 9 | 6 | Andres Puente | 1:01.18 | |||
| 10 | 5 | James Dergousoff | 1:01.97 | |||
| 11 | 4 | Mariano Lazzerini | 1:02.11 | |||
| 12 | 7 | Gabriel Morelli | 1:02.20 | |||
| 13 | 2 | Juan García | 1:02.29 | |||
| 14 | 3 | Tomas Peribonio | 1:02.59 | |||
| 15 | 8 | Josué Domínguez | 1:03.92 | |||
| 16 | 1 | Juan Carrocia | 1:05.03 |
The A final was also held on October 21.[4]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | Jacob Foster | 59.99 | ||||
| 3 | Noah Nichols | 1:00.43 | ||||
| 8 | Miguel de Lara | 1:00.90 | ||||
| 4 | 7 | Jorge Murillo | 1:01.15 | |||
| 5 | 5 | João Gomes Júnior | 1:01.17 | |||
| 6 | 6 | Gabe Mastromatteo | 1:01.39 | |||
| 7 | 2 | Raphael Windmuller | 1:01.62 | |||
| 8 | 1 | Xavier Ruiz | 1:02.42 |