Rush appeared in the Triangular '99 tournament that was hosted by New Zealand which featured Canada and the United States. She also played Canada and England in the 2000 Canada Cup.
In 2001, She was selected in the Black Ferns squad that played England in two test matches in June.[7] Her side won the first test with a narrow margin of five points.[8][9] After ten years of being undefeated, they lost the second game 22–17 at Albany.[10]
In 2023, She coached the Cambridge High School’s 1st XV girls’ rugby team to win their Under-17 grade and claim the Vanessa Cootes Cup.[16] She had been coaching the school's rugby for seven years.[16]