| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Tadeusz•Janczenko | |
| Used name | Tadeusz•Janczenko | |
| Born | 9 January 1946 in Świebodzin, Lubuskie |  POL |
| Measurements | 182 cm / 81 kg | |
| Affiliations | Zawisza Bydgoszcz — Bydgoszcz, Kujawsko-Pomorskie | POL |
| NOC | Poland | POL |
Personal Best: Dec – 7869 (1972).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Athletics | POL |
Tadeusz Janczenko | |||
| Decathlon, Men (Olympic) | 8 |
