He hasn't. Detori is a flat jockey and doesn't do the jumps.
Frankie dettori
Frankie dettori
Authorized (trained by Peter Chapple-Hyam and ridden by Frankie Dettori) won the 2007 Derby.
He won the Aintree Grand National in 2000 and the Irish Grand National in 2000. In 2004 he won the Welsh Grand National. In 2005 he won the Aintree Grand National and the Irish Grand National. So he was won 5 Grand Nationals in total, having won 2 Aintree Grand Nationals, 2 Irish Grand Nationals and 1 Welsh Grand National.
HedgeHunter won the grand national in 2007
Frankie Dettori won seven races out of seven at Ascot on October 20, 1996. This remarkable achievement became one of the most iconic moments in horse racing history. Dettori's extraordinary feat is celebrated as a demonstration of his exceptional skill and the synergy between jockey and horse.
the horse who won the grand national was ballabriggs
Brian Ffletcher in 1973and 1974 and Tommy Stack in 1977
Nijinsky never won the Grand National.
Foinavon won the Grand National in 1967.
Numbersixvalverde won the 2005 Irish Grand National and the 2006 Aintree Grand National.
He won his third Aintree Grand National in 1977. As he also won the Scottish Grand National in 1974, the third of all of his Grand National wins was the Aintree Grand National in 1976.