Mariana Trench

Mariana Trench is a 4-year-old female horse from Japan, trained by Hidetaka Otonashi. She is sired by Heart’s Cry and out of the mare I Am Ruby. Throughout her career, Mariana Trench has won 3 races. Her most notable victory occurred on April 13, 2024, at Hanshin, where she was ridden by Fuma Matsuwaka and earned a prize of $13,696,199.00 by defeating Hideno Rainbow. She has been a lucrative horse for bettors; if you had wagered on Mariana Trench during her career, you would have seen a 74 percent return on your investment.