| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Heber Williams•Viera da Silva | |
| Used name | Heber•Viera | |
| Born | 29 April 1979 in Salto, Salto |  URU |
| Measurements | 174 cm / 71 kg | |
| Affiliations | CMA | |
| NOC | Uruguay | URU |
Personal Bests: 100 – 10.15 (1999); 200 – 20.46 (2002).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Athletics | URU |
Heber Viera | |||
| 100 metres, Men (Olympic) | 4 h11 r1/4 | |||||
| 200 metres, Men (Olympic) | 8 h1 r2/4 | |||||
| 2004 Summer Olympics | Athletics | URU |
Heber Viera | |||
| 200 metres, Men (Olympic) | 5 h3 r1/4 | |||||
| 2008 Summer Olympics | Athletics | URU |
Heber Viera | |||
| 200 metres, Men (Olympic) | 6 h3 r1/4 |
