| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Karl Werner•Jernström |
| Used name | Werner•Jernström |
| Born | 5 January 1883 in Stockholm, Stockholm (SWE) |
| Died | 29 April 1930 in Stockholm, Stockholm (SWE) |
| Affiliations | Södermalm Liljeholmens Skf, Stockholm (SWE) |
| NOC | Sweden |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Shooting | SWE |
Werner Jernström | |||
| Free Rifle, Three Positions, 300 metres, Men (Olympic) | 20 | |||||
| Military Rifle, Three Positions, 300 metres, Men (Olympic) | 53 | |||||
| Military Rifle, Any Position, 600 metres, Men (Olympic) | 6 | |||||
| Military Rifle, 200, 400, 500 and 600 metres, Team, Men (Olympic) | Sweden | 3 | Bronze | |||
| 1920 Summer Olympics | Shooting | SWE |
Werner Jernström | |||
| Military Rifle, Prone, 300 metres, Men (Olympic) | ||||||
| Military Rifle, Prone, 300 metres, Team, Men (Olympic) | Sweden | 5 |