Upon winning the championship, he received a scholarship to join the La Filière racing school in Le Mans, France to continue his development.

[1] In August 2003, driving a Dallara F301 Renault, he took pole position in the Australian Formula 3 race at Phillip Island in treacherous conditions.

[3] He also took part in the Porsche Carrera Cup Asia race and finished fifth, despite a problem with the gas pedal, behind Alex Yoong, Charles Kwan, Matthew Marsh and Nigel Albon.

Lee received an extra prize in recognition of his extraordinary achievements – a three-day test with the Team Rosberg Formula 3 outfit.

[5] After winning the 2004 Formula BMW Asia title, Marchy also had the chance to test an F1 car with the Minardi team at Mugello, but his run ended up being called off due to a logistics problem.

[8] Marchy raced in the Asian Super Car Challenge in Zhuhai on 24–25 March, claiming one win and one second place in the Ferrari 430.

[9] On 13 July 2007, Marchy was announced as the driver for a new team set up by Adrian Fu to compete in the remainder of the Porsche Carrera Cup Asia series under the banner "Racing for Charity", to help increase the profile and visibility of the Child's Dream Foundation.

[14] On 7 November 2011, Marchy partnered Matthew Marsh and Alex Yoong to drive an Audi R8 LMS for KK Performance (Again, team is run by Dynaten Motorsport) in the 2010 1000 km of Zhuhai race, part of the Intercontinental Le Mans Cup.

[15] Two weeks later, on 21 November 2010, Marchy drove the same Audi R8 LMS race car to second place in the Macau GT Cup, beaten only by defending champion Keita Sawa's Lamborghini LP560 GT3.

On 11 November 2012, Marchy Lee became the first ever Audi R8 LMS Cup Champion after crossing the line second in the twelfth and final round at the Shanghai International Circuit.