Overview

• Martha Farm in Onjuku, Chiba, confirmed she died in the early hours of Sept. 9 after suffering colic.
• Caretaker Yuko Miyahara said she fell ill on Sept. 8, a veterinarian was called, and staff stayed with her overnight before her condition worsened at dawn.
• Born in Hokkaido, she raced from 1998 to 2004 and finished 0-for-113, becoming a national symbol of persistence.
• Interest surged again after the global launch of Uma Musume: Pretty Derby in mid-2025, prompting donations of ryegrass feed and increased visits from fans in Japan and overseas.
• Betting slips bearing her name were kept as protective charms, and her merchandise and plush toys often commanded premium prices.