Adam Kirby (born August 1988) is a retired group race-winning United Kingdom jockey.
He was brought up in Kirtling near Newmarket, on the Cambridgeshire/Suffolk border, where he still lives, and started riding out for James Fanshawe aged 12.[ He served his apprenticeship with Michael Wigham in Newmarket and won with his first professional ride on Broughton Knows at Lingfield on 1 October 2004.][
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In his early career, he became first jockey to Walter Swinburn until Swinburn quit training.[ For Swinburn, he won the prestigious handicap, the John Smith's Cup, at York Racecourse in 2006.][ Sprint handicapper Out After Dark also gave him some early big victories, including the 2005 Portland Handicap at Doncaster.
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Over the next few years, he steadily picked up more winners. He rode over a hundred winners in both 2011 and 2012, and became the 2012/13 all-weather champion,[ with 91 winners, after finishing third the previous two seasons.][ In 2011, he also built a partnership with top-class miler Excelebration,][ riding him four times and winning two Group races.][
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In 2013, he teamed up with Lethal Force, the horse which took his career to a higher level.[ Trained by Clive Cox, the grey gave Kirby his first group races win in the Diamond Jubilee Stakes at Royal Ascot.][ The horse then become one of the sprint stars of the year with an all the way, course record-breaking victory in the July Cup at Newmarket Racecourse, giving Kirby his biggest win to date.][ The same day he won the Bunbury Cup on Field of Dream.][
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It would be a few years before he won another Group 1, but in 2014, he won three valuable handicaps - the Lincoln Handicap on Ocean Tempest, the Epsom Dash on Caspian Prince, and the Royal Hunt Cup on Field of Dream[ - and finished fifth in the jockeys' championship.][
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In 2016, still battling to establish himself among the top jockeys in Britain, he narrowly won another Group 1 sprint - the King's Stand Stakes at Royal Ascot on Profitable, trained by Clive Cox. He missed the birth of his first child in order to take the ride; girlfriend Megan gave birth 45 minutes before the first race.[ The next day, he won the Prince of Wales's Stakes on My Dream Boat.
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In 2017, another Cox horse, Harry Angel gave him two more Group 1s, the July Cup again,[ and the Haydock Sprint Cup.][
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In June 2021, Kirby won his first British Classic, the Epsom Derby, on the Charlie Appleby-trained Adayar.
The ride came as a late jockey change after Kirby lost his original ride, on the better-fancied John Leeper, to Frankie Dettori, who had become available following the withdrawal of a number of Aidan O'Brien's horses.
He was known for being one of the tallest jockeys in the weighing room.[
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As of the 29th April 2025, Kirby confirms to RacingTV that he has reluctantly retired from race riding after more than 2 years out of the saddle, citing issues with making racing weight.[
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Major wins
'''[[Great Britain]]'''
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Commonwealth Cup - (1) - Golden Horde (2020)
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Diamond Jubilee Stakes - (1) - Lethal Force (2013)
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Epsom Derby - (1) - Adayar (2021)
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Haydock Sprint Cup - (1) - Harry Angel (2017)
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July Cup - (2) - Lethal Force (2013), Harry Angel (2017)
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King's Stand Stakes - (1) - Profitable (2016)
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Middle Park Stakes - (1) - Supremacy (2020)
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Prince of Wales's Stakes - (1) - My Dream Boat (2016)