Full name: Birger Gabriel Karlsson
Nickname(s): Birra
Gender: Male
Height: 6'2" (188 cm)
Weight: 194 lbs (88 kg)
Born: September 12, 1926 in Porvoon maalaiskunta, Porvoo, Itä-Uusimaa, Finland
Country:
Finland
Sport: Rowing
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1952 Summer | 25 | Helsinki | Rowing | Men's Coxed Fours | Finland | FIN | 5 |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | T |
|---|---|---|---|---|---|---|---|---|
| 1952 Summer | 25 | Helsinki | Rowing | Finland | FIN | Final | 7:43.8 | |
| 1952 Summer | 25 | Helsinki | Rowing | Finland | FIN | Semi-Final Repêchage | Heat One | 7:03.5 |
| 1952 Summer | 25 | Helsinki | Rowing | Finland | FIN | Round One Repêchage | Heat Three | 7:00.7 |
| 1952 Summer | 25 | Helsinki | Rowing | Finland | FIN | Round One | Heat One |