Marcel-Ernest Bidault was a road racer who was primarily known for his work with the French time trial team. His greatest achievement came in 1963 when he helped them to the World Championship. He also rode for France at the 1962 and 1964 World Championships with the team time trial, placing sixth both times. At the 1963 Worlds he was ninth in the individual road race.
|1964 Summer||26||Tokyo||Cycling||Men's 100 kilometres Team Time Trial||France||FRA||6|
|1964 Summer||26||Tokyo||Cycling||France||FRA||Final Standings||6||2-28:52.74|