| Roles | Competed in Youth Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Mariel•Mencía Martínez | |
| Used name | Mariel•Mencía | |
| Born | 13 February 2001 | |
| Measurements | 168 cm / 49 kg | |
| NOC | Dominican Republic |  DOM |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2018 Summer Youth Olympics | Swimming (Aquatics) | DOM |
Mariel Mencía | |||
| 50 metres Freestyle, Girls (YOG) | 32 | |||||
| 50 metres Butterfly, Girls (YOG) | 30 |
