The 25-1 outsider, ridden by Aidan Keeley and trained by Mick Channon, produces a strong finish to win the Cambridgeshire Handicap at Newmarket.
Jockey Sean Levey wants an inquiry into drug testing procedures after being cleared to return days after missing out on a potential £20,000 prize.
Roger Varian trains seven winners on Saturday at combined odds of 34,839-1, while Summerghand wins the Ayr Gold Cup.
The world's top-rated racehorse Baaeed will miss the Prix de l'Arc de Triomphe and make his final run in the Champion Stakes at Ascot on 15 October.
Eldar Eldarov wins the rescheduled St Leger as British horse racing resumes at Doncaster and pays tribute to Queen Elizabeth II.
British horse racing is cancelled on the day of Queen Elizabeth II's funeral, which will take place on Monday 19 September.
Luxembourg pips Onesto to clinch a fourth consecutive Irish Champion Stakes win for trainer Aidan O'Brien at Leopardstown.
Organisers say they will go ahead with National Racehorse Week - in honour of Queen Elizabeth II.
The monarch's love of racing offered a rare glimpse into the person behind a life of public duty.
BBC Sport takes a photographic look at the Queen's life in sport.
The St Leger is moved to Sunday, with Saturday's racing in Britain is cancelled as a mark of respect following the Queen's death.
Last season's champion apprentice jockey Marco Ghiani is suspended from riding on an "interim basis" by the British Horseracing Authority.