Giacomo became the second-longest priced winner of the Kentucky Derby when flying late to capture the prestigious race at Churchill Downs last night.
John Shirreffs' charge was well off the pace turning for home but stuck his head out and battled all the way to the line to land the 131st running of the Grade One contest at 50-1.
Closing Argument looked booked for success heading to the wire but was cut down in the closing stages and finished second while Afleet Alex came from out of the pack to take third.
Nick Zito saddled a quarter of the 20-runner field but his horses failed to make the frame with principle hope Bellamy Road fading down the straight before eventually finishing seventh.