5화: 사토노 다이아몬드, 재팬 더비 출전, 키타산 강도 높은 훈련
2023년 11월 2일 방영
Satono Diamond runs in the Japanese Derby, the race coming down to a photo finish. Meanwhile, Kitasan's times are better than ever after her intense training session. But Kitasan's hopes might be dashed by Duramente's recovery...