| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Johnny Algreen•Petersen | |
| Used name | Johnny Algreen•Petersen | |
| Born | 28 September 1948 in København (Copenhagen), Hovedstaden |  DEN |
| Measurements | 189 cm / 85 kg | |
| Affiliations | Roklubben Skjold — Skjold, Hedensted, Midtjylland | DEN |
| NOC | Denmark | DEN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Rowing | DEN |
Johnny Algreen Petersen | |||
| Coxless Fours, Men (Olympic) | Denmark | 10 |
