Recipient of the 2024 Michael Carter “Junior” Memorial Award at the Arnold Palmer Cup. The award is presented to the Arnold Palmer Cup participant from each team who best represents the qualities and ideals of Michael Carter, a former Penn State golfer and Arnold Palmer Cup intern who tragically died in an automobile accident at 19 years old. Previous recipients of the award include Michael Thompson (2008), Russell Henley (2011), Maverick McNealy (2017), and Collin Morikawa (2018).

Father, Boyd Summerhays, made 24 PGA TOUR starts from 2004-06 and went on to a successful career as a teaching professional, having been recognized as a Golf Digest Top 50 Teacher in America and a Golf Magazine Top 100 instructor.

Younger sister, Grace, played four seasons (2021-25) on the Arizona State women’s golf team; she was a 2023 All-Pac-12 Conference First Team selection, and the 2025 Big 12 Conference Women’s Golf Scholar-Athlete of the Year. Grace also qualified for the 2023 U.S. Women's Open and won the 2020 Utah Women’s State Amateur at age 16, becoming the youngest winner in the event’s history. Grace previously qualified for the 2019 Utah Men’s State Amateur at age 14; she was the fourth female qualifier in history, and the youngest of those four to accomplish the feat.

Preston and Grace, along with their mother, Barbara, all graduated from Arizona State together in 2025. Preston and Grace earned bachelor’s degrees in communications, while Barbara earned a master’s degree in liberal studies with a focus on religious studies.

Uncle, Daniel Summerhays (Boyd’s younger brother), played eight consecutive seasons on the PGA TOUR (2011-18) and won on the Korn Ferry Tour.