The Juddmonte Spinster Stakes has long been a coveted jewel among stakes races for older females in the fall, and this year’s edition on Oct. 10 at Keeneland Race Course drew one of the best dirt horses on the planet of either sex in superstar Letruska.

For the fifth year in a row, America’s Best Racing is challenging some of the brightest minds in horse betting to come up with their top three picks for key races every weekend leading up to the Breeders’ Cup World Championships. The handicappers face off in what we like to call the “Big Race Showdown.”