2025
Iwai began competing at the senior level in 2025. He made his senior debut at the 2025 Winter Cup, placing fifth in the all-around. During the event finals, he placed second on floor exercise and sixth on parallel bars. [4] As a result he was added to the senior national team. [4] [5]
Iwai made his senior international debut at the DTB Pokal Team Challenge alongside Riley Loos, Taylor Christopulos, Kiran Mandava, and Kai Uemura. Together, they finished as the second-placed team behind Japan. Individually Iwai won bronze on floor exercise behind Artem Dolgopyat and Lorenzo Minh Casali and silver on horizontal bar behind Yumin Abbadini. [6] He next competed at the Osijek World Cup where he qualified to the floor exercise and horizontal bar finals, [7] winning silver on the former. [8] In May Iwai was selected as the traveling alternate for the team to compete at the Pan American Championships alongside Taylor Burkhart, Asher Hong, Taylor Christopulos, Brandon Dang, and Joshua Karnes. [9] Before the start of the qualification round teammate Hong fell sick and Iwai was substituted in. He helped the USA qualify for the team final in first place, and he qualified for the floor exercise final. [10] However, during the qualification round teammate Burkhart tweaked his back and had to withdraw from apparatus finals, leading Iwai to qualify additionally to the parallel bars and horizontal bar finals. [11] During the team final, Iwai contributed scores on all apparatuses minus pommel horse towards the USA's first-place finish. [12] During apparatus finals Iwai won gold on floor exercise and finished eighth and fourth on parallel bars and horizontal bar respectively. [13]
United States 
