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.

Sierra Leone stalked Fierceness and Forever Young in the stretch, then blazed by them to snatch the biggest race of them all from their grasp. Here's how he did it.

The Breeders' Cup is one of horse racing's most celebrated events. Our horse racing expert breaks down each of Saturday's races.

Sierra Leone rallied past Fierceness in the final stretch to win the $7 million Breeders' Cup Classic on Saturday, expunging the memory of Kentucky Derby disappointment.Fierceness, trained by Todd Pletcher and winner of the Breeders' Cup Juvenile last year,

As has been the case in recent years, the event gets underway on Friday with five races for 2-year-old horses. Here’s a look at each of the 14 races held across Friday and Saturday from a handicapping perspective, including the signature Breeders’ Cup Classic:

Sierra Leone won the $7 million Breeders' Cup Classic Saturday at Del Mar, though a tragedy marred the closing day of the championships.

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.

A look at how some of the Classic (G1) runners fared, including favorite and runner-up Fierceness, the day after the event at Del Mar, and possible plans for the future