Eugenio Almenteros was a member of the silver medal winning team at the 1971 Pan American Games as well as of the bronze medal winning team at the 1975 Pan American Games.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Water Polo (Aquatics) |  CUB |
Eugenio Almeneiro | |||
| Water Polo, Men (Olympic) | Cuba | 9 | ||||
| 1976 Summer Olympics | Water Polo (Aquatics) | CUB |
Eugenio Almeneiro | |||
| Water Polo, Men (Olympic) | Cuba | 7 |
