Back in the seventies and eighties France was a great country for tunnel boat racing. Probably more International races in France than any other European country.
Famous races like Paris 6 hours and Rouen 24 hours.
The picture is from the F1-V8 race in Lyon, France 1983.
I did a list with my boat racing history with France below..
OE/F3 class 1973, 74, 75, 76, 77, 78 Formula 1 V6, OE/F3 class 79,1980, 81, 82 and 86
Lyon:
F1-V8 1983
Paris Bois de Boulonge:
F1-V8 1984
Evian:
UIM SE class 1974 and OE/F3 class 1979
Rouen:
UIM SE class 1975
Aix les Bains:
OE/F3 class 1975
Vishy:
OE/F3 class 1981 and 1982
Paris Epinay:
OE-F3 class 1990