1941 film starring Virginia Vale and William Halligan, it follows the story of Beverly (Virginia Vale), the daughter of a wealthy tire manufacturer. (Barney Oldfield was exactly that after he stopped racing)
The film kicks off in Europe with races in France, Italy and Monaco (initial 2 mins of commentary is in Italian/French but the rest of the film is in English) then makes it’s way back to the US where a rivalry/romance kicks off with a fellow racer.
found on http://silodrome.com/the-blonde-comet/