2015–16

Malone competed at the Junior Olympic level. At the 2015 National Championships he placed seventh.^[7] At the 2016 National Championships he placed second behind Vitaliy Guimaraes. Additionally Malone won silver on vault and parallel bars and bronze on rings.^[8]

Malone competed at his first elite National Championships in 2016. He placed 15th in the all-around but won bronze on horizontal bar in the 15–16 age division.^[9]

2017–18

Malone competed at the 2017 Junior Olympic National Championships where he won silver in the all-around behind Bennet Huang.^[10] He next competed at the 2017 U.S. National Championships. After two days of competition Malone won the all-around competition. He also won gold on floor exercise, pommel horse, parallel bars, and horizontal bar.^[11] Malone was later selected to represent the US at the International Junior Gymnastics Competition in Japan.^[12] While there he placed fourth in the all-around but won silver on horizontal bar.^[13]

In January 2018 Malone competed at the RD761 International Junior Team Cup where he helped USA finish third in the team competition. Individually he finished sixth in the all-around and won silver on horizontal bar and third on rings.^[14]

2019

Malone began competing for the Stanford Cardinal gymnastics team in 2019. At the NCAA National Championships Malone helped Stanford win the team title and individually he won the all-around, floor exercise, and horizontal bar titles.^[15] Malone was selected to represent the US at the 2019 Pan American Games where he helped the USA finish second as a team behind Brazil.^[16]

2020–21

In early 2020 Malone competed at the Winter Cup where he finished third in the all-around.^[17] The NCAA season was cut short due to the ongoing COVID-19 pandemic.^[18]

Malone returned to competition at the 2021 NCAA Championships where he helped Stanford defend their team title. He additionally defended his all-around and horizontal bar titles and won silver on rings.^[19] At the 2021 U.S. National Championships he won his first senior all-around title, defeating six-time national champion Sam Mikulak.^[20][21] As a result, he qualified to compete at the upcoming Olympic Trials.^[22] Malone clinched his spot on the Olympic team by finishing first in the all-around at the Olympic Trials.^[23] Malone was joined by Yul Moldauer, Sam Mikulak, and Shane Wiskus to form the United States men's Olympic gymnastics team.^[24]

During qualification at the Olympic Games Malone qualified for the all-around final in 11th place and additionally qualified for the horizontal bar final in fourth.^[25] During the team final Malone helped the United States place fifth.^[26] During the all-around final Malone finished tenth; however he successfully competed his new skill on the parallel bars, a shoot up to handstand and fall back to support with ¾ turn mount, which will bear his name in the code of points.^[27][28]

In October Malone competed at the 2021 World Championships where he opted to only compete on the horizontal bar. He qualified to the event final in fourth place. During the event final he scored 14.966 and finished third behind Hu Xuwei and Daiki Hashimoto.^[29]

2022

In February Malone competed at the Cottbus World Cup where he advanced to the pommel horse, rings, parallel bars, and horizontal bar event finals.^[30] On the first day of event finals Malone won bronze on pommel horse behind Filip Ude and Illia Kovtun and placed sixth on rings. On the second day he won bronze on parallel bars behind Kovtun and Mitchell Morgans and won gold on the horizontal bar.^[31] Malone next competed at the DTB Pokal Team Challenge in Stuttgart alongside Vitaliy Guimaraes, Asher Hong, Yul Moldauer, and Khoi Young; they finished first as a team.

Malone was awarded the Nissen Emery Award, the highest honor in college men's gymnastics.^[32] At the NCAA Championship Malone helped Stanford defend their national title. Additionally he defended his high bar title, co-won gold on pommel horse, won bronze on floor exercise, and placed second in the all-around behind Paul Juda after a subpar routine on parallel bars.^[33]

In June Malone was selected to represent the United States at the Pan American Championships alongside Riley Loos, Yul Moldauer, Colt Walker, and Shane Wiskus.^[34] On the first day of competition Malone competed on pommel horse, rings, parallel bars, and horizontal bar to help qualify the United States in first place to the team final. Individually he won gold on horizontal bar and recorded the third highest parallel bars score but did not medal due to two-per country limitations and teammates Moldauer and Walker scoring higher.^[35] During the team final Malone competed on pommel horse, rings, vault, and horizontal bar to help the USA win gold ahead of the reigning team champion Brazil.^[36]

In late July Malone competed at the U.S. Classic where he won the all-around title with a score of 88.558 (86.000 without bonus). Additionally he posted the top horizontal bar score, second highest rings score, and third highest pommel horse and parallel bars score.^[37] In August Malone competed at the U.S. National Championships where he won his second consecutive national all-around title. As a result, he and second-place finisher Donnell Whittenburg were selected to represent the United States at the upcoming World Championships. Additionally Malone placed first on floor exercise and horizontal bar, second on pommel horse, seventh on rings, eighth on vault, and fifth on parallel bars.^[38]

In September Malone competed at the Paris World Challenge Cup. He qualified to the rings, parallel bars, and horizontal bar event finals. Although he withdrew from the rings final, he won gold on horizontal bar and silver on parallel bars behind Caio Souza.^[39]

At the 2022 World Championships Malone qualified to the all-around and horizontal bar finals. During the team final he contributed scores on all apparatuses towards the USA's fifth-place finish.^[40] During the all-around final Malone finished in fourth place, three-tenths of a point behind third-place finisher Wataru Tanigawa.^[41] During the horizontal bar final Malone beat Daiki Hashimoto by 0.1 point, and became the second American to win a world gold on the apparatus after Kurt Thomas did so in 1979.^[42]

2023

Malone was selected to represent the United States at the DTB Pokal Team Challenge alongside Yul Moldauer, Asher Hong, Fred Richard, and Shane Wiskus. Together they placed first as a team and individually Malone qualified to the high bar final. During event finals Malone injured his knee while dismounting from the high bar, which required surgery at a local hospital to get an external fixator installed.^[43] Upon returning to Stanford Malone then underwent a second surgery to repair a tibial plateau fracture, a meniscus tear, and cartilage damage. An MRI later revealed that Malone also had a partially torn posterior cruciate ligament and a fully torn lateral collateral ligament. Malone would have to undergo a third surgery to repair the LCL. As a result, Malone would miss both the 2023 U.S. National Championships and the 2023 World Championships.^[44]