Harris started his career in 1996, moving through the junior ranks to race in the European Superstock Championship, winning the title on the Suzuki GSX-R750, as well as taking in some rounds of World Supersport in 1999, with a best result of 4th.

He moved to the main HRC Honda team alongside Ryuichi Kiyonari for 2006, taking a 2nd place at Oulton Park, less than 0.1 seconds behind race winner Gregorio Lavilla.

He came close to his first series win in the second race at Croft in the wet, passed by Leon Haslam with half a lap to go.

While Kiyonari won the title, Harris finished fifth overall, behind the semi-works bike of Jonathan Rea, who replaced him in the factory team for 2007.

[5] He made a one-off appearance on a works Yamaha in the World Supersport championship at Brands Hatch,[6] crashing out of 5th place.

Harris died on 3 June 2014 after an incident at Joey's Corner[11] on the second lap of the Superstock Race during the 2014 Isle of Man TT.