By: marcus armytage
Rarely can a jockey's career spanning just three years, 18 rides and one winner have been considered good autobiography material, but when the unheralded Karen Wiltshire won the Winterbourne Handicap at Salisbury on The Goldstone in 1978, it was a feat up there in its own way with Alex Greaves's Nunthorpe, Hayley Turner's July Cup and Rachael Blackmore's Grand National.