 
| Roles | Competed in Olympic Games • Competed in Intercalated Games | 
|---|---|
| Sex | Male | 
| Full name | Georges Désiré "Géo"•Malfait | 
| Used name | Géo•Malfait | 
| Born | 9 December 1878 in Roubaix, Nord (FRA) | 
| Died | 7 December 1946 in Roubaix, Nord (FRA) | 
| Measurements | 169 cm / 60 kg | 
| Affiliations | RC Roubaix, Roubaix (FRA) | 
| NOC |  France | 
Géo Malfait was French champion in 100 m (1904 and 1905) and 400 m (1905). He also finished second in 400 m (1903, 1904, 1908, and 1909) and third in 200 m (1908).
Personal Bests: 100 – 10.6 (1905); 200 – 22.6 (1908); 400 – 50.0 (1908).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1906 Intercalated Games | Athletics |  FRA | Géo Malfait | |||
| 100 metres, Men (Intercalated) | 3 h2 r1/3 | |||||
| 400 metres, Men (Intercalated) | 4 h3 r1/3 | |||||
| 1908 Summer Olympics | Athletics |  FRA | Géo Malfait | |||
| 100 metres, Men (Olympic) | 2 h3 r1/3 | |||||
| 200 metres, Men (Olympic) | 3 h4 r2/3 | |||||
| 400 metres, Men (Olympic) | 4 h3 r2/3 | |||||
| 1912 Summer Olympics | Athletics |  FRA | Géo Malfait | |||
| 200 metres, Men (Olympic) | AC h7 r1/3 | |||||
| 400 metres, Men (Olympic) | 3 h8 r1/3 |