The richest horse race in North America belongs to Sierra Leone. Del Mar Racetrack in California played host to the $7 million Breeders' Cup Classic on Saturday, pitting the top thoroughbreds ages three years and up against each other in arguably the most stacked field of the season.

One of the best things about 3-year-olds dominating the big races at the Breeders' Cup World Championship races is the likelihood many of them will race on around the world in 2025. They will, of course,

After coming up short in the Kentucky Derby and Belmont Stake, Sierra Leone won the $7 million Breeders' Cup Classic by 1½ lengths.

Sierra Leone won the $7 million Breeders’ Cup Classic by 1 1/2 lengths Saturday, ending a tough run of recent losses, including the Kentucky Derby.

Forever Young, the highest-rated of three Japanese runners, finished third, with locally based Newgate fourth and Senor Buscador fifth. Ireland’s hope, Epsom Derby winner City of Troy — the morning-line favorite — missed the break, never was in the mix and got home eighth in his first race on dirt.

The two-day Breeders' Cup World Championships conclude Saturday at Santa Anita Park with nine races, including the $6 million Breeders' Cup Classic with Arabian Knight the 3-1 morning line favorite. The Bob Baffert-trained 3-year-old colt began his career 364 days ago with a 7 1/4-length victory in the opening race on the Saturday Breeders' Cup