His first major win was on Abbot's Speed, trained by Fred Darling, in the 1927 Great Jubilee Handicap at Kempton.
[4] Marshall said after the race that he felt he had it won when he took the lead half a mile from home and "never really had an uneasy moment".
[5] Marshall never rode Trigo again, but the attention generated by the win led to a new job in Chantilly.
[citation needed] He won few other big races, although he did twice win the Ayr Gold Cup.
[4] He rode under both codes into the 1950s but his career was ended after he was found to be placing bets and the stewards withdrew his licence.