PRIOR TO MSU: Loveland, Ohio’s Mentzer qualified for the state championship four times in track and field and three times in cross country. At Loveland High School, Mentzer won a state indoor track and field title in the 4x800-meter relay as a junior. As a senior member of the cross country team, she finished 16th at the conference meet and 189th in the state championships. As a junior, she was 59th in the regional. She had some of her best performances as a freshman, when she finished ninth at the conference, 10th at the district, 32nd at the regional and 106th at the state meets. In 2026 outdoors on the track, she was 54th at the state meet in the 400m and 15th as part of the 4x400m relay team. She also finished sixth in the 3,200m in the conference and ninth in the district. Indoors, she was eighth at the state qualifier in the 800m and was part of the team that finished third in the 4x800m relay at the state finals. The previous year, she was part of the 4x800m team that was third at district and eighth at the state championships. She also ran with the 4x800m team at the 2024 state outdoor meet, where the group placed 14th. Her 4x800m quartet also was 51st at the New Balance Nationals in the 2026 indoor competition. As a freshman outdoors, she finished eighth at the district championships in the 3,200m, while her team placed sixth at the state championships in the 4x800m. Indoors, her 4x800m team captured sixth at the state championships that year. She also ran at the New Balance Indoor National Championships in 2024 and 2025. In her career, she earned three all-conference accolades, including being named to the first team twice.