From 2004 to 2008 and from 2010 to 2012 Gibson was selected to represent Tasmania in the men's lightweight four contesting the Penrith Cup at the Interstate Regatta within the Australian Rowing Championships.

[4] In 2004 he was selected in the Australian senior lightweight eight and he won a bronze medal at the 2004 World Rowing Championships in Banyoles.

[4] At Gifu, Japan 2005 he again raced in the lightweight coxless four and finished in fourth place.

[4] Gibson took time off after the Olympics but was back in national contention in 2011 and raced in a lightweight coxless pair at the World Rowing Cup III in Lucerne.

Australia's lightweight men's eight had been successful at the 2010 World Championships in New Zealand winning a silver medal.