1928 Grand Prix de Boulogne
9 September - Boulogne: 12 laps x 37.375 km = 448.50 km

Pole Position: N/A
Fastest lap: Malcolm Campbell  (Delage 15S8)  17.49.4

Results:

1v Malcolm Campbell        Delage 15S8       3:50.34.8 
2  Robert Gauthier         Bugatti 35        3:57.02.0
3c José Scaron             Amilcar           4:10.01.8 
4c Antonio Valette         Amilcar           4:34.38.6 
5c Raoul de Rovin          Rovin JAP         4:56.06.4 
6v Jean de Maleplane       Bucciali          5:06.28.0 
7c Choteau                 Sima-Violet       5:24.45.0 

Did Not Finish:

  c Robert Masse           Salmson           10 Radiator
  c Tetaldi                Amilcar            5 Mechanical
  c Raymond Siran          D'Yrsan Ruby       5 Mechanical
  v Michel Doré            Corre-La Licorne   4 Valves 
  v Jean Gaupillat         Bugatti 37         3 Axle
  c Georges Casse          Salmson            2 Crash 
  c Dumoret                Sima-Violet        1 Mechanical 
  v Delaplace              TAM                1 Mechanical 
  c Robert Dely            Salmson            0 Magneto 
  c Yves Giraud-Cabantous  Salmson            0 Mechanical

Note:

v = Voiturette
c = Cyclecar