Most Gr 1 wins by a female against males

[Gate Dancer]

Originally Posted by Calzone Lord

Bull Lea is arguably the greatest stallion in racing history. He sired a record SEVEN different horses in the Hall of Fame. He sired 3 different Kentucky Derby winners. 1 Triple Crown winner (Citation) and the first filly to ever be voted Horse of the Year (Twilight Tear)

Bull Lea wasn't even one of the 10 best male horses Esposa faced in her long career. He just sired numerous horses who happened to be a lot better than himself on the track.

Also the sire of the dam of Gate Dancer (Sun Gate)

(I also love seeing those old mud marks in the Form)