[1] He made his Europa Cup debut in 2008,[2] and finished fourth at the 2009 and 2010 IBSF Junior Skeleton World Championships.

[3] Parsons made his Skeleton World Cup debut in December 2012, finishing 17th in a race at La Plagne in France.

[8][9] His medal was Great Britain's first at the Games, and the first for a British male in skeleton since John Crammond at the 1948 Winter Olympics.

[10] Parsons' starting speed has been hampered by an ankle injury on the way to a dentist's appointment, which required ligament reconstruction surgery.

[10] On 28 December 2019, the British Bobsleigh & Skeleton Association announced that Parsons was retiring from competition, after starting the season's first two races in Lake Placid, and that teammate Jerry Rice will take his place on the World Cup roster.