Harry Cobden to Ride Jonbon in Clarence House Chase! De Boinville OUT? (2026)

Get ready for an exciting chapter in the world of horse racing! The upcoming Clarence House Chase at Ascot is about to witness a significant shift in jockey partnerships.

Harry Cobden, a leading rider with an impressive 13-66 record for JP McManus in Britain, is all set to ride McManus's star chaser, Jonbon, in Saturday's race. But here's the twist: Cobden will officially take on the role of McManus's retained rider in Britain and Ireland only after the season concludes in May. So, this race presents a unique opportunity for the duo to kickstart their partnership with a big win.

Jonbon, trained by the renowned Nicky Henderson, has been in top form this season. Despite finishing second in his last two starts, the horse recorded a Racing Post Rating just 3lb shy of its best, showcasing its potential. With a prize pool of £175,000, the Clarence House Chase promises an intense battle, especially with Il Etait Temps, the current favorite, who beat Jonbon by nine lengths last month.

And this is the part most people miss: Cobden has never ridden a winner for Henderson, despite his impressive record with McManus. So, this race could be a turning point in their relationship, solidifying Cobden's position as McManus's go-to jockey.

Meanwhile, Nico de Boinville, who has been Jonbon's regular jockey, is set to partner with Old Park Star, another Henderson-trained horse, in the Supreme Trial at Haydock on the same afternoon. Old Park Star, owned by Gordon and Su Hall, has been in excellent form, winning both its starts since joining Henderson's stable.

De Boinville, who has been sidelined due to a heavy fall at Cheltenham, will make his return to race-riding at Windsor on Friday, riding As The Fella Says in the concluding handicap chase.

So, will Cobden and Jonbon emerge victorious in this highly anticipated race? And what impact will this partnership have on the world of horse racing? These questions and more will be answered this Saturday at Ascot. Stay tuned and join the discussion in the comments below!

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Harry Cobden to Ride Jonbon in Clarence House Chase! De Boinville OUT? (2026)
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