| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Female |
| Full name | Demi•Heinsoo |
| Used name | Demi•Heinsoo |
| Born | 16 November 2003 in Tallinn, Harjumaa (EST) |
| NOC |  Estonia |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Winter Youth Olympics | Biathlon | EST |
Demi Heinsoo | |||
| Sprint, Girls (YOG) | 56 | |||||
| Relay, Mixed Youth (YOG) | Estonia | 16 | ||||
| Relay, Mixed Youth (YOG) | Markus Epner | 14 | ||||
| Individual, Girls (YOG) | 15 |
