| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | René Jean Baptiste•Mortiaux | |
| Used name | René•Mortiaux | |
| Born | 5 January 1881 in Saint-Gilles, Région de Bruxelles-Capitale |  BEL |
| Died | 18 March 1939 (aged 58 years 2 months 13 days) in Saint-Gilles, Région de Bruxelles-Capitale | BEL |
| NOC | Belgium | BEL |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
Apart from his appearance at the 1924 Winter Olympics, nothing is known about René Mortiaux. In the Four/Five man event, he was one of riders on the Charles Mulder sled, along with Paul Van den Broek, Victor Verschueren and Henri Willems. In each of the runs, the team placed third, resulting in a bronze medal, 20 seconds ahead of the fourth-place team, France.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Winter Olympics | Bobsleigh (Bobsleigh) | BEL |
René Mortiaux | |||
| Four, Men (Olympic) | Belgium 1 | 3 | Bronze |
