He won the Paris-Strasburg ultra long-distance race three times, in 1973, 1974 and 1976, after which he retired from competitive sport.
[1] In the 1950s Rinchard became a journalist covering local news, and especially sports in his home region of Namur.
Rinchard was the Belgian champion of the 20 km race walk in 1963, 1968 and 1969.
[6] In 1974 he set a personal best for the 200 km race walk at 21 hours, 56 minutes and 39 seconds during the Les 28 heures de Roubaix.
[5] After winning his third Paris-Colmar in 1976, Rinchard quit competition,[6] later becoming a civil servant at the Belgian Ministry of Finance.