There were eight Ford Cortina's in the Marathon.
There were four Ford Cortina GT's , two Ford Cortina's and two Ford Cortina 1600E's all entries from Great Britain,
Car 1 Motorway Remoulds, Gt. Britain, Ford Cortina GT. B. Bengry
Car 3 Avon/R.A.F., Gt. Britain, Ford Cortina GT. F/O. N. Colman
Car 15 G.P. Franklin, Gt. Britain, Ford Cortina GT. G.P. Franklin
Car 18 M.A. Colvill, Gt. Britain, Ford Cortina. M. Greenwood
Car 60 Terry Thomas, Gt. Britain, Ford Cortina 1600E. P.R. Capelin
Car 66 T.E. Buckingham, Gt. Britain, Ford Cortina GT. T.E. Buckingham
Car 89 Longlife Group, Gt. Britain, Ford Cortina. R. Clark
Car 96 R. Rogers, Gt. Britain, Ford Cortina 1600E. R. Rogers