Bloch won 12 South African national titles, and held South African national cycling records in the 500-m individual time trial (junior and senior), 1000-m individual time trial (senior), flying 200-m time trial (senior), and individual pursuit (junior).[4][1]
He competed in two cycling events for Team South Africa at the 1992 Summer Olympics in Barcelona, at the age of 18.[3] In the individual time trial event he finished in 26th place with a time of 1:10.145, and in the individual sprint event he finished 22nd in the preliminaries with a time of 12.186, lost to Frederic Magne of France in the second round, and was eliminated by Ainārs Ķiksis of Latvia in his consolation race.[1]
He was Team Australia’s cycling captain at the 2013 Maccabiah Games.[4] He was then Team Australia's flag bearer and team captain at the 2017 Maccabiah Games, where he won a silver medal for South Africa in the Open-Cycling-ITT 21 km 40+ (M) with a time of 30:52.[5][6]
