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Veraguas
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 50.65 | June 15, 2021 | Isaac Beitia | La Salle 2000 | Nacional de Interligas 2021 |
| 50.66 | July 24, 2019 | Isaac Beitia | Panamanian Swimming Federation | 18th FINA World Championships |
| 50.83 | April 28, 2019 | Isaac Beitia | Club de Natación La Salle 2000 | Selectivo XVIII Juegos Panamericanos |
| 51.28 | April 13, 2019 | Isaac Beitia | Club de Natación La Salle 2000 | TERCER SELECTIVO |
| 51.43 | July 20, 2018 | Isaac Beitia | Panamanian Swimming Federation | XXIII Juegos CAC-Barranquilla |
| 51.66 | July 1, 2018 | Isaac Beitia | Panamanian Swimming Federation | XXXI CCCAN Swimming Championships |
| 51.74 | Dec. 16, 2017 | Isaac Beitia | Club de Natación La Salle 2000 | II COPA INTERNAC. DE NAT. BELD |
| 51.86 | July 22, 1996 | Jose ISAZA | Panamanian Swimming Federation | 1996 Olympic Games |
| 54.11 | July 24, 1976 | Gianni VERSARI | Panamanian Swimming Federation | 1976 Olympic Games |