Gustavo Lozano won bronze in 200 metres breaststroke at the 1975 Pan American Games.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Swimming (Aquatics) | Gustavo Lozano | ||||
| 100 metres Breaststroke, Men (Olympic) | 28 | |||||
| 200 metres Breaststroke, Men (Olympic) | 23 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Mexico | 12 |