The Japan Derby, officially known as the Tokyo Yushun, is a prestigious horse race held annually in Japan. It is part of the JRA (Japan Racing Association) and takes place at the Tokyo Racecourse. The race is open to three-year-old thoroughbreds and is typically run in late May. The Japan Derby is one of the most significant events in the Japanese horse racing calendar, attracting top horses, trainers, and jockeys. It covers a distance of 2,400 meters and is known for its competitive field and high stakes, making it a highlight for racing fans and participants alike.