It took place against the backdrop of the supposedly swinging Sixties - among the records in the Top Ten that week were hits by the Supremes, the Kinks, Sandie Shaw and Cilla Black.
The Welsh rider clocked a time of 35.035 seconds - with eventual winner Olga Panarina of Belarus taking the rainbow jersey in 33.896 - Sandie Clair of France was second and Miriam Welte of Germany took the bronze.