| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | John•Hartnett |
| Used name | John•Hartnett |
| Born | 7 July 1950 |
| Measurements | 178 cm / 63 kg |
| Affiliations | Grange Fermoy AC, Fermoy (IRL) |
| NOC | Ireland |
Personal Best: 5000 – 13:43.05 (1972).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Athletics | IRL |
John Hartnett | |||
| 5,000 metres, Men (Olympic) | 12 h3 r1/2 |