Career
He plays in the centre (and occasionally wing) position for provincial side Taranaki and for New Zealand"s māori international side the Māori All Blacks. The team played England for the title, winning 21–16. Taranaki
Upon leaving school, Wainui was contracted by the Taranaki Rugby Football Union.
In his first year out of school he was apart of Taranaki"s 2014 national provincial championship squad.
He was spotted by coach Colin Cooper and had signed with Taranaki at just 18-years-old after an impressive season, not only for his New Plymouth Old Boys club but for the Chiefs development side also. Wainui assured to impress in 2015, his performance didn"t go unnoticed by the national media or the Super Rugby coaches.
He recorded nine appearances and scored three tries for the province. Crusaders
In 2015 he was signed by the Super Rugby franchise the Crusaders after impressing in the centre and wing position for Taranaki.
Wainui made his debut for the Crusaders in round one of the 2016 Super Rugby competition, starting in the outside centre position against the Chiefs.
Māori All Blacks
Although the then 19-year-old Wainui had only played several matches for Taranaki, Colin Cooper, the Māori All Blacks coach, selected him for the 2015 tour to Fiji, playing against the national side, and ending against the specially made New Zealand Barbarians.
