| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Karl Bertil•Karlsson |
| Used name | Bertil•Karlsson |
| Nick/petnames | Långhundra |
| Born | 19 September 1919 in Skogs-Tibble, Uppsala, Uppsala (SWE) |
| Died | 31 December 2012 in Uppsala, Uppsala (SWE) |
| Measurements | 175 cm / 63 kg |
| Affiliations | IF Linnéa, Stockholm (SWE) |
| NOC | Sweden |
Personal Bests: 5000 – 14:31.4 (1947); 10000 – 30:10.0 (1951).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Athletics | SWE |
Bertil Karlsson | |||
| 5,000 metres, Men (Olympic) | 9 h2 r1/2 | |||||
| 10,000 metres, Men (Olympic) | 13 |