Frébourg competed at the 1906 Intercalated Games in Athens with the men's coxed four where they won silver.

In the men's coxed pair (1 km) he won a bronze medal.

In the 1 mile event for coxed pairs, he finished outside of the medals.

[1] At the 1906 European Rowing Championships, he won a silver medal with the men's eight.

This biographical article relating to French rowing is a stub.