In January 2018 Phillips competed at the Elite Team Cup where his team finished seventh. In August he competed at the U.S. National Championships in the junior 17-18 division. He placed fifth in the all-around but co-won the title on parallel bars.[1] He was named as an alternate for the Pan American Championships team.[2]
At the 2021 NCAA Championships Phillips helped Stanford defend their team title. Individually he won bronze on vault.[5]
2022
At the 2022 Winter Cup Phillips competed on three events. He finished first on parallel bars, second on horizontal bar behind Jack Freeman, and sixth on vault.[6] He was named to the senior national team for the first time and was selected to compete at the DTB Pokal Mixed Cup in Stuttgart alongside Colt Walker, Riley Loos, Katelyn Jong, Karis German, and Levi Jung-Ruivivar.[7] He competed on vault and horizontal bar, helping the USA qualify to the championship round. In the final round, he posted a 15.050 on the parallel bars to help the USA win.[8] At the NCAA Championship Phillips helped Stanford defend their national title. Additionally, he placed first on parallel bars, winning his first individual national title.[9] Phillips was named CGA Specialist of the Year.[10]
In August Phillips competed at the U.S. National Championships where he won his first senior elite-level national title on the parallel bars.[11]
2023
Phillips competed at the 2023 Winter Cup where he placed first on both parallel bars and horizontal bar. In March he competed at the Baku World Cup, qualifying for both the parallel bars and horizontal bar finals in first and second respectively. During event finals, he placed fifth in both.
Phillips was selected to represent the United States at the Pan American Championships alongside Yul Moldauer, Shane Wiskus, Khoi Young, and Taylor Christopulos. On the first day of competition, Phillips helped the USA qualify for the team final. Individually he won gold on the horizontal bar, earning him his first international title. On the final day of competition Phillips helped the USA win their second consecutive team title.[12]
In August Phillips competed at the Core Hydration Classic where he placed first on parallel bars, fifth on vault, and nineteenth on horizontal bar.[13] Phillips next competed at the Xfinity National Championships where he placed second on parallel bars behind Moldauer and seventh on horizontal bar.[14] The following day he was named as an alternate for the team to compete at the Pan American Games taking place in late October.[15] In early October Shane Wiskus withdrew from the Pan American Games team due to injury and Phillips was selected as his replacement.[16]
At the Pan American Games Phillips helped the United States win team gold. Individually he qualified for the parallel bars final in first despite falling on the apparatus.[17] During the event final Phillips performed cleanly and scored 15.400, earning the gold medal.[18]
