Top Boss
(Japan)About
Top Boss is a 3-year-old filly from Japan, trained by Tatsuhiko Ishikuri. She is the offspring of the stallion Northern River and the mare Black Swan. Top Boss has not yet achieved maiden status, as she has not won any of her 4 races. In her latest outing at Nakayama on December 23, 2023, she was ridden by Genki Mizunuma and finished in 8th place, trailing the winner Shinto Hanano Boss.