| Code | SWI-M-010632 |
|---|---|
| Gender | Male |
| Full name | Efrén•Fierro Manly |
| Used name | Efrén•Fierro |
| Born | 26 May 1929 |
| Died | 2007 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 1951 Pan American Games | Buenos Aires | 1,500 m Freestyle, Men | 🥉 | |||
| Swimming | 1951 USA Swimming National Championships (Outdoor/LCM) | Detroit, Michigan | 800 m Freestyle, Men | 8 | |||
| Swimming | 1951 USA Swimming National Championships (Outdoor/LCM) | Detroit, Michigan | 1,500 m Freestyle, Men | 6 |