Vidal began his professional career as a teacher at a primary school of Moulins, Allier.

He also became Undersecretary of State for Technical Education from 17 January 1921 to 29 March 1924, when Aristide Briand and Raymond Poincaré.

He chaired the Union des Sociétés Françaises de Sports Athlétiques (USFSA).

After the First World War, he created single-sport federations for football, rugby, swimming and field hockey.

He took a decisive role alongside, Frantz Reichel, in preparing the Paris Olympics in 1924.