At the age of twelve years went Aaron Slight Motocross race. From 1984 he took part in street racing. After the first victories and the championship title in the New Zealand 250 cc Championship on Yamaha Aaron Slight changed in 1988 in the professional racing. In 1989, he was the teammate of Rob Phillis in the Australian Superbike Championship, which he finished in third place. This year Slight drove the run in his native also his first wildcard use in the Superbike World Championship and could rise as second on the podium in the first race. In 1990, he spent most of his time in rehabilitation, because he had his right hand injured in an accident on the track in the Japanese Sugo.
1992 succeeded Aaron Slight on the track of Albacete in Spain, his first victory in the World Superbike Championship. In 1993 he went with Scott Russell in the official Kawasaki factory team ( Muzzy Kawasaki team). With Russell Slight won this year also the 8- hour race at Suzuka. He repeated in the next two years on Honda 's success. Slight is thus far the only rider to win the race three consecutive times with different team partners.
From 1994 Aaron Slight launched on Honda for the official factory team Castrol Honda. In the following years he took each top places in the overall standings, but to win the World Cup without ever. 1998 lacked only 5.5 points to Carl Fogarty. This year went Slight also the first time with his favorite race number 111 During his time in the Castrol Honda team had Aaron Slight famous teammates such as Carl Fogarty (1996 ), John Kocinski (1997) and Colin Edwards (1998 to 2000).
The year 2000 did not start well. A month after his 34th birthday, he collapsed during pre-season to the Superbike World Championship at Phillip Iceland. At the hospital, a life-threatening blood clots on the back of his brain, it was found that could be removed. The doctors gave no guarantee that he will be completely healthy ever again and could deny motorcycle racing. Yet he was twelve weeks after his brain surgery again on the track. He missed three race weekends and was eighth overall this year. At the end of the season Slight was finally scrapped at Castrol Honda.
In 2001 he drove in various motor racing series such as the British Touring Car Championship, the Stock Car Speed Association ( NASCAR ) and the British GT Championship. In 2001 he published his autobiography.
- New Zealand 250 cc Championship: First race and first win for Yamaha - Distance: Manfeild, New Zealand
- New Zealand 250 cc Championship: Champion on Yamaha
- Australian Superbike Championship: 3rd place in Kawasaki
- Superbike World Championship: 2nd place in the wildcard use on the track Manfeild, New Zealand
- WSBK: 3rd place at the wildcard use on the track Manfield, New Zealand
- Australian Superbike Championship: Champion on Kawasaki
- Pan - Pacific Superbike Championship: Champion on Kawasaki
- WSBK: 3rd place in each wildcard inserts on the track Sugo, Japan and Manfeild, New Zealand
- WSBK: 6th place in Kawasaki, 249 points (1 wins, 6 podiums, 4 fastest laps )
- WSBK: 3rd place in Kawasaki, 316 points ( 1 wins, 10 podiums, 2 pole positions, two fastest laps )
- 8- hour race at Suzuka: winner Scott Russell on Kawasaki ZXR -7
- WSBK: 3rd place at Honda, 277 points (10 stages )
- 8- hour race at Suzuka: Winner with Doug Polen on Honda RVF 750 RC45
- WSBK: 3rd place at Honda, 323 points (2 wins, 11 podiums, 2 pole positions, two fastest laps )
- 8- hour race at Suzuka: Winner with Tadayuki Okada on the Honda RVF 750 RC45
- Superbike World Championship: 2nd place on Honda 347 points ( 1 wins, 13 podiums, 4 fastest laps )
- WSBK: 3rd place at Honda, 343 points (3 wins, 11 podiums, 1 pole positions, 1 fastest lap )
- Superbike World Championship: 2nd place at Honda, 347 points (5 wins, 10 podiums, 2 pole positions, eight fastest laps )
- WSBK: 4th place at Honda, 323 points (12 podiums, 1 pole positions, two fastest laps )
- WSBK: 8th place at Honda, 153 points