| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Alphonse•Castex | |
| Used name | Alphonse•Castex | |
| Born | 6 January 1899 in Dax, Landes | |
| Died | 16 December 1969 (aged 70 years 11 months 10 days) in Saint-Paul-lès-Dax, Landes | |
| Affiliations | Racing Club de France — Paris, Paris | |
| NOC | France |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
Alphonse Castex played for Racing Club de France. He was a member of the Castex family who ran a duvet factory in Dax. Castex played forward in the 1920 Olympic match.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Rugby (Rugby) | Alphonse Castex | ||||
| Rugby, Men (Olympic) | France | 2 | Silver |