While in Melbourne, he alongside his younger brother, Jayden,[4][5] trained with the Casey TigerSharks throughout the summer break, together with his family.

[2][6] He migrated to the Sunshine Coast in 2021 and joined the USC Spartans swimming club, following his coach, before coming back to Perth in 2022.

[2][6] With the support of the Student Athlete Development Program, he is pursuing postgraduate studies after earning a Bachelor of Science from UWA.

"[1] At the 2019 World Junior Championships in Budapest, Yong participated in the men's and mixed medley relays as well as all three breaststroke events, marking his first international competition as an Australian.

[2] After cutting 0.16 off his previous personal best time of 59.99 at the competition, he began in 28.51 and ended in 31.32, tying Daniel Cave for the seventh-highest Australian performance in history.