Michael Owen runner-up on race-riding debut
Owen, 37, who also starred for Liverpool, Real Madrid, Newcastle and Manchester United in his playing days, was one of 10 amateur riders to take part in the seven-furlong contest in aid of the Prince's Countryside Trust.
Partnering the Tom Dascombe-trained Calder Prince, Owen made his move rounding the home turn and briefly hit the front, but ultimately had to make do with the runner-up spot behind Golden Wedding, in the hands of Tom Chatfield-Roberts.
McCarthy, 49, stayed on late on his mount Mr Red Clubs to claim fifth place.