| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Javier Francisco de la Trinidad•Masís Figueroa | |
| Used name | Javier•Masís | |
| Nick/petnames | Michelín | |
| Born | 16 April 1953 in San José, San José | |
| Measurements | 167 cm / 73 kg | |
| Affiliations | Deportivo Saprissa — San Juan de Tibás, San José | |
| NOC | Costa Rica |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Football (Football) | Javier Masís | ||||
| Football, Men (Olympic) | Costa Rica | =13 |