| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Karl Christian•Koch | |
| Used name | Karl Christian•Koch | |
| Born | 3 April 1952 in Kværs, Sønderborg, Syddanmark |  DEN |
| Measurements | 184 cm / 75 kg | |
| Affiliations | Haderslev Svømmeklub | |
| NOC | Denmark | DEN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Swimming (Aquatics) | DEN |
Karl Christian Koch | |||
| 100 metres Breaststroke, Men (Olympic) | 37 | |||||
| 200 metres Breaststroke, Men (Olympic) | 37 |
