# Aldemir da Silva Júnior

Aldemir Gomes da Silva Junior (born 8 June 1992) is a Brazilian sprinter.
Da Silva won three gold medals at the 2011 South American Junior Championships in Athletics in Medellín, Colombia.
He won three gold medals at the 2012 South American Under-23 Championships in Athletics in São Paulo, Brazil.
He qualified to represent Brazil at the 2020 Summer Olympics.

## Personal bests

* 100 m: 10.13 s (wind: +1.6 m/s) – Bragança Paulista, 29 August 2019
* 200 m: 20.15 s (wind: +1.3 m/s) – São Bernardo do Campo, 11 June 2017
* 200 m: 20.13 s (wind: +2.3 m/s) – Segovia, 14 July 2019

## International competitions

| Year | Competition | Venue | Position | Event | Notes |
| Representing Brazil ||||||
| 2011 | South American Junior Championships | Medellín, Colombia | 1st | 100 m | 10.36 s A (0.0 m/s) |
| 2011 | South American Junior Championships | Medellín, Colombia | 1st | 200 m | 20.94 s A (0.0 m/s) |
| 2011 | South American Junior Championships | Medellín, Colombia | 1st | 4 × 100 m relay | 39.63 s A |
| 2012 | Ibero-American Championships | Barquisimeto, Venezuela | 2nd | 200 m | 20.57 s (-0.9 m/s) |
| 2012 | Ibero-American Championships | Barquisimeto, Venezuela | 1st | 4 × 100 m relay | 38.95 s |
| 2012 | Olympic Games | London, United Kingdom | 16th (sf) | 200 m | 20.63 s (-0.6 m/s) |
| 2012 | Olympic Games | London, United Kingdom | 10th (h) | 4 × 100 m relay | 38.35 s |
| 2012 | South American Under-23 Championships | São Paulo, Brazil | 1st | 100 m | 10.42 s (+0.3 m/s) |
| 2012 | South American Under-23 Championships | São Paulo, Brazil | 1st | 200 m | 20.51 s (+1.2 m/s) |
| 2012 | South American Under-23 Championships | São Paulo, Brazil | 1st | 4 × 100 m relay | 40.10 s |
| 2013 | World Championships | Moscow, Russia | 26th (h) | 200 m | 20.73 s (-0.7 m/s) |
| 2014 | South American Games | Santiago, Chile | 1st | 200 m | 20.32 s (-1.0 m/s) |
| 2014 | South American Games | Santiago, Chile | 1st | 4 × 100 m relay | 38.90 s |
| 2014 | Ibero-American Championships | São Paulo, Brazil | 4th | 200 m | 20.62 s (+0.7 m/s) |
| 2014 | Ibero-American Championships | São Paulo, Brazil | 1st | 4 × 100 m relay | 39.35 s |
| 2014 | South American U23 Championships | Montevideo, Uruguay | 2nd | 100m | 10.47 (+0.3 m/s) |
| 2014 | South American U23 Championships | Montevideo, Uruguay | 1st | 200m | 20.50 (+1.4 m/s) |
| 2014 | South American U23 Championships | Montevideo, Uruguay | 1st | 4 × 100 m relay | 39.74 |
| 2015 | World Championships | Beijing, China | 36th (h) | 200 m | 20.59 |
| 2015 | World Championships | Beijing, China | — | 4 × 100 m relay | DNF |
| 2015 | Military World Games | Mungyeong, South Korea | 3rd | 200 m | 20.77 |
| 2016 | Ibero-American Championships | Rio de Janeiro, Brazil | 5th | 200 m | 20.71 |
| 2016 | Olympic Games | Rio de Janeiro, Brazil | 61st (h) | 200 m | 20.80 |
| 2017 | South American Championships | Asunción, Paraguay | 8th (h) | 200 m | 21.27$^1$ |
| 2017 | South American Championships | Asunción, Paraguay | 1st | 4 × 100 m relay | 39.47 |
| 2017 | World Championships | London, United Kingdom | 37th (h) | 200 m | 20.82 |
| 2017 | Universiade | Taipei, Taiwan | 2nd (h) | 200 m | 20.92$^2$ |
| 2017 | Universiade | Taipei, Taiwan | 9th (h) | 4 × 100 m relay | 39.80 |
| 2018 | South American Games | Cochabamba, Bolivia | 5th | 100 m | 10.32 |
| 2018 | South American Games | Cochabamba, Bolivia | 4th | 200 m | 20.30 |
| 2018 | South American Games | Cochabamba, Bolivia | 3rd | 4 × 100 m relay | 39.54 |
| 2018 | Ibero-American Championships | Trujillo, Peru | 2nd | 200 m | 20.42 |
| 2018 | Ibero-American Championships | Trujillo, Peru | 1st | 4 × 100 m relay | 38.78 |
| 2019 | World Championships | Doha, Qatar | 23rd (h) | 200 m | 20.44 |
| 2021 | Olympic Games | Tokyo, Japan | 33rd (h) | 200 m | 20.84 |
$^1$Did not start in the final $^2$Disqualified in the semi-finals