He won the prestigious Monaco F3 Race in 1970 driving a Brabham BT-28 and finished runner-up to Patrick Depailler in the 1972 edition.

Trimmer entered six Formula One World Championship Grands Prix with uncompetitive teams, firstly Maki for four races in 1975 and 1976, resulting in four failures to qualify.

However, also driving the Melchester McLaren, he finished a superb third in the rain-soaked 1978 BRDC International Trophy non-Championship race at Silverstone, coming home ahead of many of the greats of Formula One.

However the car collided with a barrier at Brands Hatch after a rear damper gave way.

Token RJ-02), accessing from the old times "tubby" Lotus 49 up to a real wing-car Fittipaldi F8.