[2] Cromack rode 507 miles in the Road Time Trials Council national 24-hour championship in July 1969.

[4] Cromack was a rare all-rounder, winning championship medals from 4,000 metres on the track to 24 hours on the road.

He won medals at every distance in British time-trialling championships and was one of the four-man team in the road race for Britain at the Olympic Games in Mexico where they came in 11th.

On Saturday 16 June 2012, there was a preview of a week-long exhibition to be held at Cusworth Hall Museum, Doncaster.

The Lord Mayor of Doncaster, Mr Peter Davies as well as Roy Cromack, one of the Olympic Team Cyclists of the 1968 Mexico Games, was in attendance.