The was a 750kg Formula race held on
September 12 , 1937 at the
Livorno Circuit .
Caracciola took an early lead from pole, Lang was second but he soon took the lead from Caracciola, the two Mercedes drivers pushing each other hard. Team manager
Alfred Neubauer was not impressed by the internal fighting. The partisan crowd were disappointed when the Italian Nuvolari retired and gave his car to Farina.
Von Brauchitsch and Kautz were out, the two leading Mercedes had a fierce fight to the flag with Caracciola blocking any attempt to pass by Lang. Rosemeyer couldn't match their pace and Caracciola held on for a win with Lang just 0.4s behind him at the flag.
- Rudolf Caracciola - 3'11.0
- Rudolf Caracciola & Hermann Lang - 3'11
