1921 Grand Prix de Boulogne
3 July - Boulogne: 13 laps x 37.368 km = 485.785 km

 Pole Position: N/A
 Fastest Lap: N/A 

Results:

  1 Joseph Collomb       La Licorne                       5:45.39 
  2 Louis Lefevre        La Perle Bignan                  6:23.29 
  3 Antony               Tic-Tac Ruby                       12 laps

Did Not Finish:

    Deviz                Bugatti 13                          5
    Edazam               Diatto 10                           0
    Rene Dely            Bugatti 13                          0

Did not start:

    Weler                Weler          
    Meo Costantini       Bugatti 13
    Dillet               Bignan