| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | John Mark•Holtom | |
| Used name | Mark•Holtom | |
| Born | 6 February 1958 in Burton upon Trent, England |  GBR |
| Measurements | 188 cm / 84 kg | |
| Affiliations | Stoke AC — Stoke-on-Trent, England | GBR |
| NOC | Great Britain | GBR |
Personal Best: 110H – 13.43 (1982).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Athletics | GBR |
Mark Holtom | |||
| 110 metres Hurdles, Men (Olympic) | 5 h2 r2/3 | |||||
| 1984 Summer Olympics | Athletics | GBR |
Mark Holtom | |||
| 110 metres Hurdles, Men (Olympic) | AC h1 r1/3 |
