| Roles | Competed in Youth Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Alonso•Santamaría | |
| Used name | Alonso•Santamaría | |
| Born | 12 June 2001 in Madrid, Madrid |  ESP |
| Measurements | 185 cm / 67 kg | |
| NOC | Spain | ESP |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2018 Summer Youth Olympics | Fencing | ESP |
Alonso Santamaría | |||
| Mixed Weapon, Team, Mixed Youth (YOG) | Europe 3 | 4 | ||||
| Sabre, Individual, Boys (YOG) | 6 |
