| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Valya Kostova•Valova-Demireva | |
| Used name | Valya•Valova-Demireva | |
| Original name | Валя Костова•Вълова-Демирева | |
| Born | 23 August 1961 in Pleven, Pleven |  BUL |
| Measurements | 173 cm / 60 kg | |
| Affiliations | Spartak Pleven, Levski-Spartak Club, Kremikovtsi | |
| NOC | Bulgaria | BUL |
Personal Best: 100 – 11.34 (1987).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Athletics | BUL |
Valya Valova-Demireva | |||
| 4 × 100 metres Relay, Women (Olympic) | Bulgaria | 5 |
