Harkley is a graduate of Aviano High School but spent time in New Mexico at Clovis High School. She has competed on varsity track and field teams and has qualified for State Championships since the seventh grade. In 2019, Harkley won the 5A New Mexico triple jump state title with a jump of 38’2″. Most recently, she was a member of the Italian Atletica Brugnera Pordenone Friul Intagali track and field team.