1906 / Grand Prix
May
6
I Targa Florio
Circuito delle Madonie
Jun
26
IX Grand Prix de ACF
Le Mans Road Course
Aug
13
V Circuit des Ardennes
Circuit de Bastogne
Sep
5
I Circuito Siciliano delle Vetturette
Palermo Road Course
Sep
22
III W.K.Vanderbilt Cup
Long Island Road Course