Stacy started out with track days ran by the Gold Track Driving Club, and started racing actively in 1999.

1999
Group 1 Touring Car Championship
(3rd - VW Golf GTi)

2000
Kumho BMW Championship (BMW 325i)

2002
Group 1 Touring Car Championship
(1st - Mazda RX7)
- 11 Class Wins from 10 Starts
  (3 Outright Wins)
- Motorsport News Classic Driver of the Year
- Best Prepared Car Award

2003
Group 1 Touring Car Championship
(1st - Mazda RX7)
- 10 Class Wins from 10 Starts
  (9 Outright Wins)
- Gerry Marshall takes the 11th Win in
  the RX7 at Oulton Park
- Best Prepared Car Award
- Cars & Car Conversions Feature
  with Mark Hales

2004
EVO Magazine Feature with Yvan Muller
- 3 Outright Wins from 4 Starts (1 DNF)

2005
5 Outright Wins from 5 Starts
- Retro Cars Magazine Feature

2006
3 Outright Wins from 3 Starts

2007
Group 1 Touring Car Championship
(1st - Mazda RX7)
- CTCRC Pre-93 Championship
  (3 Race Wins from 4 Starts - Mazda RX7)
- Britcar 24hr (1st Class 4 - VW Golf TDi)
- Autosport Top Ten Drivers of the Year

2008
Toyo Tires Racing Saloons
(6 Race Wins - Mazda RX7)
- CSCC Future Classics
  (1 Outright Win from 1 Start)

2009
Toyo Tires Racing Saloons

Stacy enjoys the technical side of the sport almost as much as the driving, but is hampered by an almost total lack of mechanical ability.
He therefore consigns himself with suspension theory, and relies on the crew for the
hard stuff.