The race was postponed to 29th December 1918 due to bad roads.
The following cars were registered for the race:
Luis Carreras - "Hudson I"
X.X. - "Hudson II"
J. Alvarez - "Ideal I"
X.X. - "Ideal II"
X.X. - "Ideal III"
X.X. - "Ideal IV"
Carlos Ziegler - "Excelsior"
Salvador Elizalde - "Elizalde I"
A. Luis Elizalde - "Elizalde II"
Marc L'Huilier - "Elizalde III"
Andres Ruiz - "Elizalde IV"
Jorge Foret - "Piccard Pictet"
Joaquin Palazon - "Scripps"
J. Nozalap - "Lancia"
S. Oleriago - "Elizalde V"
Juan Lluch - "Roamer"
L. Mora - "Apperson"
G. Dutrieu - "Chevrolet I"
X.X. - "Chevrolet II"
J. M. Carreras - "Cadillac"
Francisco Coma - "Hispano"