(FILES) Jockey Jim Crowley rides Mostahdaf to win the Prince Of Wales's Stakes race on the second day of the Royal Ascot horse racing meeting, in Ascot, west of London, on June 21, 2023. Jim Crowley, the 2016 British champion jockey who had switched from jumps to the flat, took the "hardest decision" of his life on July 31, 2026, and retired. (Photo by JUSTIN TALLIS / AFP via Getty Images)