| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | John•Maddock | |
| Used name | John•Maddock | |
| Born | 19 October 1951 in Hobart, Tasmania |  AUS |
| Measurements | 188 cm / 81 kg | |
| Affiliations | Melbourne | |
| NOC | Australia | AUS |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Basketball (Basketball) | AUS |
John Maddock | |||
| Basketball, Men (Olympic) | Australia | 8 |
