| Personal information | |
|---|---|
| Nationality | Colombian |
| Born | 14 January 1927 Bogotá, Colombia |
| Sport | |
| Sport | Track and Field |
Event(s) | 400 metres and 400 meters hurdles |
Mario Rosas Ruiz (born 14 January 1927) is a Colombian former sprinter. He competed in the men's 400 metres and 400 meters hurdles at the 1948 Summer Olympics. [1]