Year
|
Races Added
|
Races Removed
|
Notes/Renameing
|
1907
|
- Single Cylinder TT
- Twin Cylinder TT
|
|
|
1911
|
|
- Single Cylinder TT
- Twin Cylinder TT
|
|
1992
|
|
|
|
1923
|
|
|
|
1924
|
|
|
|
1926
|
|
- Ultra-Lightweight TT
- Sidecar TT
|
1947
|
- Clubmans Senior
- Clubmans Junior
- Clubmans Lightweight
|
|
1949
|
|
|
1951
|
|
- Clubmans Lightweight
- Clubmans 1000cc
|
|
1953
|
|
|
1954
|
|
|
1957
|
|
- Clubmans Senior
- Clubmans Junior
|
1959
|
- 500cc Formula One
- 350cc Formula One
|
|
|
1960
|
|
- 500cc Formula One
- 350cc Formula One
|
|
1962
|
|
|
|
1967
|
- Production 750cc
- Production 500cc
- Production 250
|
|
|
1968
|
- Sidecar 500cc TT
- Sidecar 750cc TT
|
|
|
1971
|
|
|
|
1974
|
|
|
|
1975
|
- TT75 Production TT
- TT75 Classic TT
|
- Lightweight 250cc TT
- Production 750cc
- Production 500cc
- Production 250
|
|
1977
|
- Sidecar A
- Sidecar B
- Formula One TT
- Formula Two TT
- Formula Three TT
- Jubilee TT
|
- Production TT
- Sidecar 1000cc TT
- Lightweight 250cc TT
- Sidecar 500cc TT
|
|
1978
|
|
|
|
1982
|
- Senior 350cc TT
- Senior 500cc TT
|
|
|
1983
|
- Senior Classic TT
- Junior 350cc TT
|
- Senior 350cc TT
- Senior 500cc TT
- Formula Three TT
- Classic TT
|
|
1984
|
- Historic 500cc
- Historic 350cc
- Classic TT
- Production 751-1500cc
- Production 251-750cc
- Production 100-250cc
- Senior TT
|
- Junior 350cc TT
- Senior Classic TT
|
|
1985
|
|
- Historic 500cc
- Historic 350cc
- Classic TT
|
|
1986
|
- Production Class B
- Production Class D
- Production Class A
- Production Class C
|
- Production 751-1500cc
- Production 251-750cc
- Production 100-250cc
|
|
1987
|
|
- Production Class A
- Production Class C
|
|
1988
|
- Production Class A
- Production Class C
|
|
|
1989
|
- Supersport 600
- Supersport 400cc
- Production 750cc
- Ultra Lightweight TT
- Production 1300cc
|
- Production Class B
- Production Class D
- Production Class A
- Production Class C
|
|
1990
|
|
- Production 750cc
- Production 1300cc
|
|
1994
|
|
|
|
1995
|
|
- Supersport 600
- Supersport 400
|
|
1996
|
|
|
|
1999
|
- Lightweight 250 TT
- Lightweight 400 TT
|
|
|
2002
|
- Production 600 TT
- Production 1000TT
|
|
|
2003
|
|
|
|
2005
|
- TT Superbike
- TT Superstock
- Supersport Junior TT A
- Supersport Junior TT B
|
- Formula One TT
- Lightweight 400cc TT
- Ultralightweight 125cc
- Production 1000TT
- Junior 600cc TT
- Production 600
|
|
2006
|
|
- Supersport Junior TT A
- Supersport Junior TT B
|
|