| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Marcos José•Olsen |
| Used name | Marcos José•Olsen |
| Born | 30 October 1937 in Canoinhas, Santa Catarina (BRA) |
| Measurements | 165 cm / 82 kg |
| NOC |  Brazil |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Shooting | BRA |
Marcos José Olsen | |||
| 1976 Summer Olympics | Shooting | BRA |
Marcos José Olsen | |||
| 1980 Summer Olympics | Shooting | BRA |
Marcos José Olsen | |||
| 1984 Summer Olympics | Shooting | BRA |
Marcos José Olsen |
