[1] His biggest success was in the last year of his karting career, winning the Super 1 National Rotax Max Junior championship in 2010.

[2] In 2011 Parry made his début in single-seaters, taking part in the British Formula Ford Championship with Fluid Motorsport.

In 2015, Parry made his GP3 debut with Koiranen GP alongside Jimmy Eriksson and Adderly Fong.

In July 2016, Parry won his first race at the Hungaroring in Hungary after starting from second place on the grid.

He had a good weekend overall, topping Friday practice and almost being on pole until he was pipped by Nyck de Vries.