Answer
Frankie Dettori regularly rode the horse Stradivarius to victory, including multiple Ascot Gold Cup wins. Stradivarius was a thoroughbred racehorse who competed in steeplechases. He was trained by John and Thady Gosden and ridden by Dettori. Stradivarius won the Ascot Gold Cup four times, in 2018, 2019, 2020 and 2021.