| Roles | Non-starter |
|---|---|
| Sex | Male |
| Full name | John Charles•Blankenagel |
| Used name | John•Blankenagel |
| Born | 22 December 1886 in Germantown, Wisconsin (USA) |
| Died | 27 November 1969 in Middletown, Connecticut (USA) |
| Affiliations | University of Wisconsin |
| NOC | United States |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Athletics | USA |
John Blankenagel | |||
| 1,500 metres, Men (Olympic) |