His father Joaquín Larraín Gana was a member of the jumping team which won gold at the 1951 Pan American Games (with César Mendoza, Ricardo Echeverría, and the non-Olympian Alberto Larraguibel) as well as bronze at the 1959 Pan American Games (with Americo Simonetti, Óscar Cristi, and the non-Olympian Gastón Zuñiga).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Equestrian Jumping (Equestrian) |  CHI |
Joaquín Larraín | |||
| Individual, Open (Olympic) | Jagermeister Santa Monica | 67 r1/2 |
