| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Marian•Cosmescu | |
| Used name | Marian•Cosmescu | |
| Born | 3 October 1950 in București (Bucharest), București |  ROU |
| Measurements | 174 cm / 64 kg | |
| Affiliations | Olimpia — București (Bucharest), București | ROU |
| NOC | Romania | ROU |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Modern Pentathlon | ROU |
Marian Cosmescu | |||
| Individual, Men (Olympic) | 38 | |||||
| Team, Men (Olympic) | Romania | 12 |
