Oulton Park (April 6th)
Jim Clark, driving a 1,594-c.c. Lotus 23, won the 100-mile race, held at Oulton Park on Saturday, April 6th, at an average speed of 92.17 m.p.h. After the retirement of Innes Ireland’s British Racing Partnership’s Lotus 19, Clark was unchallenged and eased off towards the end.