| Personal information | |
|---|---|
| Full name | Mario Guinemer Fayos Romero |
| Born | 2 February 1927 Montevideo, Uruguay |
| Height | 1.78 m (5 ft 10 in) |
| Weight | 73 kg (161 lb) |
| Sport | |
| Sport | Sprinting |
Event | 100 metres |
Mario Guinemer Fayos Romero (born 2 February 1927) was a Uruguayan sprinter. He competed in the men's 100 metres at the 1948 Summer Olympics.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing | |||||
| 1947 | South American Championships | Rio de Janeiro, Brazil | – (h) | 100 m | DQ |
| 5th | 200 m | NT | |||
| 2nd | 4 × 100 m relay | 42.9 | |||
| 1948 | Olympic Games | London, United Kingdom | 18th (qf) | 100 m | 11.08 |
| 4th (h) | 200 m | NT | |||
| 10th (h) | 4 × 100 m relay | 42.8 | |||
| 1949 | South American Championships | Lima, Peru | 3rd | 100 m | 10.8 |
| 1st | 200 m | 21.7 | |||
| 5th | 4 × 100 m relay | 43.9 | |||
| 1952 | South American Championships | Buenos Aires, Argentina | 9th (sf) | 100 m | 11.0 |
| 4th | 200 m | 22.2 | |||
| 5th | 4 × 100 m relay | 42.5 | |||
| 4th | 4 × 400 m relay | 3:25.7 | |||
| 1953 | South American Championships (unofficial) | Santiago, Chile | 5th | 100 m | 11.2 |
| 6th (h) | 200 m | 22.4 | |||