was in her second year of study at Massey University at the time, attended one of the trials where along with the other participants she was put through various fitness, speed, rugby skill and character assessment activities. Of the 800 who attended a trial, Hirini was among the 30 deemed promising who attended a training camp at Waiouru in mid-2012. 2012-2013 Seven Series Season Hirini was selected to join Lauren Burgess, Marama Davis, Lavinia Gould, Carla Hohepa, Chyna Hohepa, [Linda Itunu]], Kayla McAlister, Huriana Manuel (captain), Tyla Nathan Wong, Amanda Rasch and Portia Woodman in New Zealand’s team for inaugural 2012–13 IRB Women's Sevens World Series. As a result Hirini obtained a full time one year New Zealand Sevens contract, which paid $30,000. Captained by Manuel the team won the series following a fourth at Houston and wins at Guangzhou and Amsterdam having scored 169 points and conceded 34. 2020 Tokyo Olympic Games Hirini was selected as a playing member of the Black Ferns Sevens for the Rugby sevens at the 2020 Summer Olympics. She was then selected to join Hamish Bond in being New Zealand's flagbearers at the opening ceremony. Due to a racing the next day Bond was replaced by David Nyika. Due to Covid restrictions on how many could enter the Olympic Village at a time eleven of the players and management including Hirini were due to fly from Townsville, where they had been competing in the 2021 Oceania Women's Sevens Championship) in order to ensure Hirini would be able to attend the opening ceremony. They would be joined later by the rest of the team. After their first flight was cancelled the eleven missed their connection in Brisbane, which led to their 24-hour pre-departure tests expiring. Eventually a way was found of getting Hirani accompanied by Portia Woodman to Tokyo in time to participate in the opening ceremony. 2022 Birmingham Commonwealth Games Hirini was named in the Black Ferns Sevens squad for the 2022 Commonwealth Games in Birmingham. She won a bronze medal at the event. She also won a silver medal at the Rugby World Cup Sevens in Cape Town. 2021 World Cup Hirini was a member of the Black Ferns 32-player squad for the 2021 Rugby World Cup. She scored a try in the final pool game against a scoreless Scotland who were beaten 57–0. She also scored a try against Wales in the