Alex Karapetyan had the following podium finishes at major championships: 2nd in the 1995 World Championships Middle-Heavyweight class (382.5 kg); 3rd in the 1995 European Championships Middle-Heavyweight class (382.5 kg).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Weightlifting | Aleksan Karapetyan | ||||
| Middle-Heavyweight, Men (Olympic) | 13 | |||||
| 2000 Summer Olympics | Weightlifting | Aleksan Karapetyan | ||||
| Middle-Heavyweight, Men (Olympic) | 10 |