Career
Sweet rode in the 1999 Tour de France and did not finish Stage 15 due to an ankle injury from an accident during Stage 3. He retired in 2003 and moved to New Zealand. Whilst in New Zealand he worked as a commercial fisherman and apprentice builder.
In 2012, he returned to Adelaide and in 2015 was working as a stonemason.
In 2015, he rode in the Tour of the Riverland in South Australia and finished 2nd in Stage 1.