2013 In 2013, Regini-Moran's international breakthrough began at the competition in
Brasília,
Brazil for the
2013 Gymnasiade, he won gold in floor exercise, bronze in parallel bars and with Team Britain winning the silver medal.
2014 In 2014, Regini-Moran won the British Junior all-around title under 16 years. He was a member of the British Team (together with teammates
Brinn Bevan,
Joe Fraser,
Gaius Thompson and
Nile Wilson) that won the gold medal at the
2014 European Junior Championships; he qualified for the floor finals, winning the gold medal. Regini-Moran was selected to represent Great Britain in men's gymnastics at the
2014 Summer Youth Olympics in
Nanjing,
China. He won the all-around gold medal ahead of Russia's
Nikita Nagornyy and the USA's
Alec Yoder. He qualified for four event finals and won two gold medals (vault, floor) and two bronze (parallel bars, high bar).
2016-2018 On 25–29 May 2016, Regini-Moran competed at the
2016 European Junior Championships where Team Great Britain (together with
Donell Osbourne,
Joe Fraser,
Jamie Lewis,
Joshua Nathan) won gold ahead of
Russia; he also won gold in the all-around ahead of Russia's
Andrey Makolov. In the apparatus finals, Regini-Moran won gold in floor, silver in vault, parallel bars and finished 5th in rings. In July 2016, Regini-Moran suffered a serious leg injury, damaging multiple knee ligaments and his hamstring and fracturing his tibia, which left him out of contention for the
2016 Summer Olympics. After six hours of reconstructive surgery and a 12-month recovery period, during which he "had to learn to walk again", he was sidelined again after fracturing his ankle on his return to training while attempting a vault. He eventually to competitive action in mid 2018.
2022 In 2022, Regini-Moran was part of the same England/Great Britain team roster that competed in three successive competitions, alongside Fraser, Hall, Jarman, and
Courtney Tulloch. In July, Regini-Moran won gold in the
team competition at the
2022 Commonwealth Games in
Birmingham. He also took home silver in the
vault and
parallel bars as well as bronze on
floor. In August, he won gold with Great Britain at the
2022 European Championships in
Munich, Germany. Regini-Moran also qualified for three even finals (floor, vault, and parallel bars), winning the bronze medal on parallel bars and seventh on floor. He withdrew from vault and was replaced by Jarman, who went on to win the event. Regini-Moran was selected to the British team for the
2022 World Championships in
Liverpool,
England. In a dramatic comeback, he helped Great Britain win the team bronze medal. After qualifying for the floor exercise final in fourth place, Regini-Moran won the gold medal in front of the home crowd with a 14.533, defeating the world and Olympic individual all-around champion,
Daiki Hashimoto of
Japan, by a narrow score margin of only 0.033. This was a part of the British sweep of the floor exercise gold medals at those world championships, as fellow Briton
Jessica Gadirova won the women's floor exercise gold the next day. Regini-Moran also qualified for the parallel bars final in eighth place and finished one better in seventh. == Competitive history ==