| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Guillermo María•Mediano Sebrechts | |
| Used name | Guillermo•Mediano | |
| Born | 3 February 1976 in Málaga, Málaga |  ESP |
| Measurements | 187 cm / 80 kg | |
| Affiliations | CN Metropole — Las Palmas de Gran Canaria, Las Palmas | ESP |
| NOC | Spain | ESP |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Swimming (Aquatics) | ESP |
Guillermo Mediano | |||
| 200 metres Backstroke, Men (Olympic) | 29 |
