| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Mikalai Ryhoravich•Semeniako | |
| Used name | Mikalai•Semeniako | |
| Original name | Мікалай Рыгоравіч•Семеняко | |
| Other names | Nikolay Grigoryevich Semenyako, Николай Григорьевич Семеняко | |
| Born | 9 July 1976 in Vitebsk, Vitebsk |  BLR |
| Measurements | 179 cm / 76 kg | |
| Affiliations | FK Dinamo Minsk — Minsk, Minsk | BLR |
| NOC | Belarus | BLR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1998 Winter Olympics | Cross Country Skiing (Skiing) | BLR |
Mikalai Semeniako | |||
| 10 kilometres, Men (Olympic) | 73 | |||||
| 30 kilometres, Men (Olympic) | 54 | |||||
| 50 kilometres, Men (Olympic) | ||||||
| Skiathlon, Men (Olympic) | 60 | |||||
| 2002 Winter Olympics | Cross Country Skiing (Skiing) | BLR |
Mikalai Semeniako | |||
| 15 kilometres, Men (Olympic) | 48 | |||||
| 30 kilometres, Men (Olympic) | 52 | |||||
| 50 kilometres, Men (Olympic) | ||||||
| Relay, Men (Olympic) | Belarus | 15 |
