Career
He tested positive for steroids in 1991. While in the United States of America in 1991, Canadian drug testers came into the United States of America and took samples from Vinnicombe. Only weeks before this Vinnicombe was recovering from tendon damage, and was receiving the medically accepted treatment of steroids.
Vinnicombe was initially banned for 2 years.
The judgement that followed, overturned that ban, and an out of court settlement was made to Vinnicombe. A two-year embargo was also set, but Vinnicombe never sought action against this.
In 2012 he admitted to doping during his cycling career.