| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Marcel Pierre Joseph•Bayer |
| Used name | Marcel•Bayer |
| Born | 23 May 1879 in Liège, Liège (BEL) |
| Affiliations | Société Libre de Gymnastique de Liège, Liège (BEL) |
| NOC |  Belgium |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1900 Summer Olympics | Artistic Gymnastics (Gymnastics) | BEL |
Marcel Bayer | |||
| All-Around, Individual, Men (Olympic) | 134 |
