Heber Williams Viera da Silva (born April 29, 1979 in Salto) is a Uruguayan sprinter who has been prominent in South American sprints since the turn of the century.[1] He competed at the Summer Olympics in 2000, 2004 and 2008, being knocked out in the heats each time.
Viera represented Uruguay at the 2008 Summer Olympics in Beijing. He competed at the 200 metres and placed sixth in his first round heat in a time of 20.93 seconds, which was not enough to advance to the second round.[1]
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1996 | South American Junior Championships | Bucaramanga, Colombia | 3rd | 100 m | 10.5 | |
| bgcolor=silver | 2nd | 200 m | 20.9 (w) | |||
| 6th | 4 × 400 m relay | 3:28.3 | ||||
| 1997 | South American Championships | Mar del Plata, Argentina | 8th | 100 m | 10.77 | |
| Pan American Junior Championships | San Carlos, Uruguay | 8th | 200 m | 22.20 | ||
| South American Junior Championships | San Carlos, Uruguay | bgcolor=silver | 2nd | 100 m | 11.04 | |
| bgcolor=gold | 1st | 200 m | 21.57 | |||
| 3rd | 4 × 100 m relay | 42.58 | ||||
| 1998 | South American Junior Championships | Córdoba, Argentina | bgcolor=gold | 1st | 200 m | 21.33 (w) |
| 5th | 4 × 100 m relay | 42.11 | ||||
| World Junior Championships | Annecy, France | 21st (qf) | 200 m | 21.58 (wind: -0.1 m/s) | ||
| South American Games | Cuenca, Ecuador | bgcolor=silver | 2nd | 200 m | 21.0 | |
| 1999 | South American Championships | Bogotá, Colombia | 3rd | 100 m | 10.15 | |
| 3rd | 200 m | 20.76 (w) | ||||
| 4th | 4 × 100 m relay | 40.14 | ||||
| Pan American Games | Winnipeg, Canada | 8th | 200 m | 21.19 | ||
| World Championships | Seville, Spain | – | 200 m | DQ | ||
| 2000 | Ibero-American Championships | Rio de Janeiro, Brazil | 6th | 100 m | 10.65 | |
| 4th | 200 m | 21.19 | ||||
| Olympic Games | Sydney, Australia | 55th (h) | 100 m | 10.54 | ||
| 30th (qf) | 200 m | 20.97 | ||||
| 2001 | World Indoor Championships | Lisbon, Portugal | 15th (h) | 200 m | 21.55 | |
| South American Championships | Manaus, Brazil | 3rd | 100 m | 10.37 | ||
| bgcolor=silver | 2nd | 200 m | 20.68 | |||
| 3rd | 4 × 100 m relay | 40.34 | ||||
| World Championships | Edmonton, Canada | 24th (qf) | 200 m | 20.83 | ||
| 2002 | Ibero-American Championships | Guatemala City, Guatemala | bgcolor=gold | 1st | 100 m | 10.08 (w) |
| bgcolor=silver | 2nd | 200 m | 20.46 | |||
| 2003 | World Indoor Championships | Birmingham, United Kingdom | – | 200 m | DQ | |
| South American Championships | Barquisimeto, Venezuela | bgcolor=silver | 2nd | 100 m | 10.33 | |
| bgcolor=gold | 1st | 200 m | 20.60 | |||
| Pan American Games | Santo Domingo, Dominican Republic | 5th | 200 m | 20.85 | ||
| World Championships | Paris, France | 32nd (h) | 200 m | 20.87 | ||
| 2004 | World Indoor Championships | Budapest, Hungary | 18th (h) | 200 m | 21.36 | |
| Ibero-American Championships | Huelva, Spain | 3rd | 200 m | 21.30 | ||
| Olympic Games | Athens, Greece | 35th (h) | 200 m | 20.94 | ||
| 2005 | South American Championships | Cali, Colombia | 3rd | 100 m | 10.43 | |
| bgcolor=silver | 2nd | 200 m | 20.62 (w) | |||
| World Championships | Helsinki, Finland | 48th (h) | 200 m | 21.71 | ||
| 2006 | Ibero-American Championships | Ponce, Puerto Rico | 3rd | 100 m | 10.45 | |
| bgcolor=silver | 2nd | 200 m | 20.80 | |||
| South American Championships | Tunja, Colombia | – | 100 m | DQ | ||
| 3rd | 200 m | 21.10 | ||||
| 2007 | South American Championships | São Paulo, Brazil | bgcolor=silver | 2nd | 200 m | 20.59 |
| Pan American Games | Rio de Janeiro, Brazil | 19th (h) | 200 m | 21.29 | ||
| 2008 | Ibero-American Championships | Iquique, Chile | 7th | 100 m | 10.94 | |
| 11th (h) | 200 m | 21.74 | ||||
| Olympic Games | Beijing, China | 34th (h) | 200 m | 20.93 | ||
| 2011 | South American Championships | Buenos Aires, Argentina | 14th (h) | 100 m | 11.17 | |
| 14th (h) | 200 m | 22.45 | ||||