[1] He won the national team pursuit championship with colleagues from the Norwood Paragon club, south London, in 1963.
He represented England in the road race at the 1962 British Empire and Commonwealth Games in Perth, Australia.
[6] He said: He won the professional British National Road Race Championships at Harlow, Essex, in 1964, beating Albert Hitchen and Ged Coles.
[8] He returned to Belgium, took a fully professional licence - until then he had been an independent, a semi-professional allowed to ride with both amateurs and professionals - and rode briefly for Jacques Anquetil's St-Raphaël team before leaving shortly afterwards for the Ruberg team in West Germany.
His father, Stan Butler, was a significant time-triallist in Britain in an era when the country had only velodrome racing and dawn competitions on the road against the clock.