A United States youth international, Hayes won the 2012 FIFA U-20 Women's World Cup in Japan.

[2] Hayes finished her Penn State career having scored 71 goals in 89 matches, the third-most in program history.

[6] Hayes was selected by Sky Blue FC in the first round (sixth overall pick) of the 2014 NWSL College Draft.

[8] In 2018, it was announced that she had made the decision to sit out the 2018 NWSL season to pursue graduate studies at Auburn University.

[citation needed] Hayes previously played for the United States under-18 women's national soccer team.