Bush participated in the Summer Olympics in Tokyo in 1964 at the age of 17 years. She participated in the competition from the tower and was able to make direct contact with the first jump to the top. By the end of the race they were not from this position, and so won the gold medal ahead of the German Ingrid Kramer and Galina Alekseeva from the Soviet Union. 1967 Lesley Bush won the title in platform diving at the Pan American Games. A year later she took part in the Summer Olympic Games in 1968., You bailed on the first jump and was finally able to reach only rank 19. In her career she won a total of five titles of the Amateur Athletic Union
She is the sister of the water Springer David Bush and was married to the float Charles Hickcox from which she divorced again.