| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Mariano•Bucio Ramírez |
| Used name | Mariano•Bucio |
| Born | 2 November 1942 |
| Measurements | 168 cm / 72 kg |
| NOC | Mexico |
Maríano Bucio was a member of the bronze medal winning Three-Day Event team (with Manuel Mendívil and David Bárcena) at the 1975 Pan American Games.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Equestrian Eventing (Equestrian) | MEX |
Mariano Bucio | |||
| Individual, Open (Olympic) | Tango | |||||
| Team, Open (Olympic) | Tango / Mexico | |||||
| 1976 Summer Olympics | Equestrian Eventing (Equestrian) | MEX |
Mariano Bucio | |||
| Individual, Open (Olympic) | Cocaleco | |||||
| Team, Open (Olympic) | Cocaleco / Mexico |