| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Károly•Balzsay |
| Used name | Károly•Balzsay |
| Nick/petnames | Hitter, Karesz |
| Born | 23 July 1979 in Kecskemét, Bács-Kiskun (HUN) |
| Measurements | 183 cm / 77 kg |
| Affiliations | Kecskeméti Sport Club/Vasas Sport Club |
| NOC | Hungary |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Boxing | HUN |
Károly Balzsay | |||
| Light-Middleweight, Men (Olympic) | =9 | |||||
| 2004 Summer Olympics | Boxing | HUN |
Károly Balzsay | |||
| Middleweight, Men (Olympic) | =9 |