 | | Dutch TT | | International Race | | june 23, 1934 | |
|  | | Dutch TT | | International Race | | july 11, 1936 | |
|  | | Dutch TT | | International Race | | june 26, 1937 | |
|  | | Dutch TT | | International Race | | july 30, 1938 | |
|
 | | TT - Grote Prijs van Nederland | | International Race | | july 01, 1939 | |
|  | | TT - Grote Prijs van Nederland | | International Race | | june 28, 1947 | |
|  | | TT - Grote Prijs van Nederland | | International Race | | june 26, 1948 | |
|  | | TT - Grote prijs van Nederland | | Grand Prix | | july 09, 1949 | |
|
 | | TT - Grote prijs van Nederland | | Grand Prix | | july 08, 1950 | |
|  | | TT - Grote prijs van Nederland | | Grand Prix | | july 07, 1951 | |
|  | | TT - Grote prijs van Nederland | | Grand Prix | | june 28, 1952 | |
|  | | TT - Grote prijs van Nederland | | Grand Prix | | june 27, 1953 | |
|
 | | TT - Grote prijs van Nederland | | Grand Prix | | july 10, 1954 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | july 16, 1955 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 30, 1956 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 29, 1957 | |
|
 | | TT - Grote Prijs van Nederland | | Grand Prix | | june 28, 1958 | |
|  | | | National Race | | may 02, 1959 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 27, 1959 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 25, 1960 | |
|
 | | TT - Grote Prijs van Nederland | | Grand Prix | | june 24, 1961 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 30, 1962 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 29, 1963 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 27, 1964 | |
|
 | | TT - Grote Prijs van Nederland | | Grand Prix | | june 26, 1965 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 25, 1966 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 24, 1967 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 29, 1968 | |
|
 | | TT - Grote Prijs van Nederland | | Grand Prix | | june 28, 1969 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 27, 1970 | |
|  | | TT - Grote Prijs van Nederland | | Grand Prix | | june 26, 1971 | |
|  | | | National Race | | june 18, 1972 | |
|
 | | TT - Grote Prijs van Nederland | | Grand Prix | | june 24, 1972 | |
|  | | | National Race | | june 17, 1973 | |
|  | | Dutch TT | | Grand Prix | | june 23, 1973 | |
|  | | Dutch TT | | Grand Prix | | june 29, 1974 | |
|
 | | Dutch TT | | Grand Prix | | june 28, 1975 | |
|  | | F 750 Classic | | FIM F750 | | september 07, 1975 | |
|  | | | National Race | | may 27, 1976 | |
|  | | Dutch TT | | Grand Prix | | june 26, 1976 | |
|
 | | Champion F750 Classic | | FIM F750 | | september 05, 1976 | |
|  | | Dutch TT | | Grand Prix | | june 25, 1977 | |
|  | | Champion F750 Classic | | International Race | | september 04, 1977 | |
|  | | Dutch TT | | Grand Prix | | june 24, 1978 | |
|
 | | Champion F750 Classic | | International Race | | september 03, 1978 | |
|  | | 6 uren van Assen | | International Race | | may 24, 1979 | |
|  | | Dutch TT | | Grand Prix | | june 23, 1979 | |
|  | | Champion F750 Classic | | International Race | | september 09, 1979 | |
|
 | | Goldwing Endurance Trophy | | World Endurance Championship | | may 15, 1980 | |
|  | | Dutch TT | | Grand Prix | | june 28, 1980 | |
|  | | Dutch TT | | Grand Prix | | june 27, 1981 | |
|  | | Dutch TT | | Grand Prix | | june 26, 1982 | |
|
 | | EK wegrace Assen | | European Championship | | september 12, 1982 | |
|  | | Dutch TT | | Grand Prix | | june 25, 1983 | |
|  | | EK wegrace Assen | | European Championship | | september 11, 1983 | |
|  | | Dutch TT | | Grand Prix | | june 30, 1984 | |
|
 | | EK wegrace Assen | | International Race | | september 30, 1984 | |
|  | | Dutch TT | | Grand Prix | | june 29, 1985 | |
|  | | Grand Prix van de toekomst | | European Championship | | september 08, 1985 | |
|  | | Dutch TT | | Grand Prix | | june 28, 1986 | |
|
 | | Benelux Kampioenschaps Races | | International Race | | april 26, 1987 | |
|  | | Dutch TT | | Grand Prix | | june 27, 1987 | |
|  | | Dutch TT | | Grand Prix | | june 25, 1988 | |
|  | | Dutch TT | | Grand Prix | | june 24, 1989 | |
|
 | | Dutch TT | | Grand Prix | | june 30, 1990 | |
|  | | Dutch TT | | Grand Prix | | june 29, 1991 | |
|  | | Dutch TT | | Grand Prix | | june 27, 1992 | |
|  | | Lucky Strike Dutch Grand Prix | | Grand Prix | | june 26, 1993 | |
|
 | | Dutch round | | Superbike World Championship | | september 12, 1993 | |
|  | | Lucky Strike Dutch Grand Prix | | Grand Prix | | june 25, 1994 | |
|  | | Dutch round | | Superbike World Championship | | september 11, 1994 | |
|  | | Lucky Strike Dutch Grand Prix | | Grand Prix | | june 24, 1995 | |
|
 | | Dutch round | | Superbike World Championship | | september 10, 1995 | |
|  | | Lucky Strike Dutch Grand Prix | | Grand Prix | | june 29, 1996 | |
|  | | Dutch round | | Superbike World Championship | | september 08, 1996 | |
|  | | Lucky Strike Dutch Grand Prix | | Grand Prix | | june 28, 1997 | |
|
 | | Dutch round | | Superbike World Championship | | august 31, 1997 | |
|  | | Rizla Dutch TT | | Grand Prix | | june 27, 1998 | |
|  | | Dutch round | | Superbike World Championship | | september 06, 1998 | |
|  | | Rizla Dutch TT | | Grand Prix | | june 26, 1999 | |
|
 | | Dutch round | | Superbike World Championship | | september 05, 1999 | |
|  | | Rizla Dutch TT | | Grand Prix | | june 24, 2000 | |
|  | | Dutch round | | Superbike World Championship | | september 03, 2000 | |
|  | | Gauloises Dutch TT | | Grand Prix | | june 30, 2001 | |
|
 | | Dutch round | | Superbike World Championship | | september 09, 2001 | |
|  | | Gauloises Dutch TT | | Grand Prix | | june 29, 2002 | |
|  | | Dutch round | | Superbike World Championship | | september 08, 2002 | |
|  | | Gauloises Dutch TT | | Grand Prix | | june 28, 2003 | |
|
 | | Dutch round | | Superbike World Championship | | september 07, 2003 | |
|  | | Gauloises TT Assen | | Grand Prix | | june 26, 2004 | |
|  | | Dutch round | | Superbike World Championship | | september 05, 2004 | |
|  | | Gauloises TT Assen | | Grand Prix | | june 25, 2005 | |
|
 | | Dutch round | | Superbike World Championship | | september 04, 2005 | |
|  | | Assen 500 | | World Endurance Championship | | april 17, 2006 | |
|  | | Ducati Clubraces | | International Race | | may 07, 2006 | |
|  | | Dutch TT | | Grand Prix | | june 24, 2006 | |
|
 | | | Open Nederlands Kampioenschap | | july 09, 2006 | |
|  | | Speed Trophy | | Open Nederlands Kampioenschap | | august 06, 2006 | |
|  | | Rizla racing day | | Open Nederlands Kampioenschap | | august 13, 2006 | |
|  | | | Open Nederlands Kampioenschap | | august 31, 2006 | |
|
 | | Dutch round | | Superbike World Championship | | september 03, 2006 | |
|  | | race of the champions | | Open Nederlands Kampioenschap | | september 24, 2006 | |
|  | | Internationale Paasraces | | Open Nederlands Kampioenschap | | april 09, 2007 | |
|  | | Dutch round | | Superbike World Championship | | april 29, 2007 | |
|
 | | IDM-ONK | | Open Nederlands Kampioenschap | | june 03, 2007 | |
|  | | Ducati clubraces | | Open Nederlands Kampioenschap | | june 10, 2007 | |
|  | | A-style TT Assen | | Grand Prix | | june 30, 2007 | |
|  | | | Open Nederlands Kampioenschap | | july 15, 2007 | |
|
 | | | Open Nederlands Kampioenschap | | august 12, 2007 | |
|  | | race of the champions | | Open Nederlands Kampioenschap | | september 23, 2007 | |
|  | | Paasraces | | Open Nederlands Kampioenschap | | april 20, 2008 | |
|  | | Dutch round | | Superbike World Championship | | april 27, 2008 | |
|
 | | Ducati Clubraces | | Open Nederlands Kampioenschap | | may 25, 2008 | |
|  | | Speed Trophy | | Open Nederlands Kampioenschap | | june 01, 2008 | |
|  | | Speed Challenge | | Open Nederlands Kampioenschap | | june 15, 2008 | |
|  | | A-style TT Assen | | Grand Prix | | june 28, 2008 | |
|
 | | Rizla Racing Day | | Open Nederlands Kampioenschap | | august 03, 2008 | |
|  | | Race of the champions | | Open Nederlands Kampioenschap | | september 14, 2008 | |
|  | | SMA Paasraces | | Open Nederlands Kampioenschap | | april 13, 2009 | |
|  | | Dutch round | | Superbike World Championship | | april 26, 2009 | |
|
 | | Ducati Clubraces | | Open Nederlands Kampioenschap | | may 03, 2009 | |
|  | | Speed Challenge | | Open Nederlands Kampioenschap | | june 14, 2009 | |
|  | | Alice TT Assen | | Grand Prix | | june 27, 2009 | |
|  | | Rizla racing day | | Open Nederlands Kampioenschap | | august 09, 2009 | |
|
 | | | Internationale Deutsche Meisterschaft | | august 23, 2009 | |
|  | | Race of the Champions | | Open Nederlands Kampioenschap | | september 20, 2009 | |
|  | | Knmv race days | | Open Nederlands Kampioenschap | | october 04, 2009 | |
|  | | Paasraces | | Open Nederlands Kampioenschap | | april 05, 2010 | |
|
 | | Dutch round | | Superbike World Championship | | april 25, 2010 | |
|  | | Ducati Club races | | Open Nederlands Kampioenschap | | may 30, 2010 | |
|  | | Speed Challenge | | Open Nederlands Kampioenschap | | june 13, 2010 | |
|  | | Dutch TT | | Grand Prix | | june 26, 2010 | |
|
 | | Rizla Racing Day | | Open Nederlands Kampioenschap | | august 08, 2010 | |
|  | | Norbadischer Adac-preis | | Internationale Deutsche Meisterschaft | | august 22, 2010 | |
|  | | Race of the Champions | | Open Nederlands Kampioenschap | | september 26, 2010 | |
|  | | Lenteraces | | Open Nederlands Kampioenschap | | april 03, 2011 | |
|
 | | Dutch round | | Superbike World Championship | | april 17, 2011 | |
|  | | Ducati clubraces | | Open Nederlands Kampioenschap | | may 15, 2011 | |
|  | | Dtc electro Speed Challenge | | Open Nederlands Kampioenschap | | may 22, 2011 | |
|  | | Dutch TT | | Grand Prix | | june 25, 2011 | |
|
 | | Dts Ktm Pirelli racedays | | Open Nederlands Kampioenschap | | august 28, 2011 | |
|  | | Race of the Champions | | Open Nederlands Kampioenschap | | september 25, 2011 | |
|  | | Paasraces | | Open Nederlands Kampioenschap | | april 09, 2012 | |
|  | | Dutch round | | Superbike World Championship | | april 22, 2012 | |
|
 | | Ducati clubraces | | International Race | | may 13, 2012 | |
|  | | Speed Challenge | | Open Nederlands Kampioenschap | | june 10, 2012 | |
|  | | Iveco TT Assen | | Grand Prix | | june 30, 2012 | |
|  | | Adac Sauerlandpreis | | Internationale Deutsche Meisterschaft | | july 22, 2012 | |
|
 | | Gamma racing day | | Open Nederlands Kampioenschap | | august 05, 2012 | |
|  | | BSB Assen | | British Superbike Championship | | september 23, 2012 | |
|  | | Race of the Champions | | Open Nederlands Kampioenschap | | october 07, 2012 | |
|  | | Dutch round | | Superbike World Championship | | april 28, 2013 | |
|
 | | Ducati Club races | | Open Nederlands Kampioenschap | | may 26, 2013 | |
|  | | Iveco TT Assen | | Grand Prix | | june 29, 2013 | |
|  | | Gamma racing day | | Open Nederlands Kampioenschap | | august 04, 2013 | |
|  | | Hamove Onk | | Open Nederlands Kampioenschap | | september 08, 2013 | |
|
 | | | British Superbike Championship | | september 22, 2013 | |
|  | | Race of the Champions | | Open Nederlands Kampioenschap | | october 13, 2013 | |
|  | | Dutch round | | Superbike World Championship | | april 27, 2014 | |
|  | | Ducati club races | | International Race | | may 18, 2014 | |
|
 | | Iveco TT Assen | | Grand Prix | | june 28, 2014 | |
|  | | Gamma racing day | | Open Nederlands Kampioenschap | | august 03, 2014 | |
|  | | | British Superbike Championship | | september 21, 2014 | |
|  | | Dutch round | | Superbike World Championship | | april 19, 2015 | |
|
 | | Ducati club races | | National Race | | may 31, 2015 | |
|  | | Motul TT Assen | | Grand Prix | | june 27, 2015 | |
|  | | Gamma racing day | | Open Nederlands Kampioenschap | | august 02, 2015 | |
|  | | | British Superbike Championship | | september 20, 2015 | |
|
 | | Battle of the Nations | | Open Nederlands Kampioenschap | | october 11, 2015 | |
|  | | Prosecco DOC Dutch Round | | Superbike World Championship | | april 17, 2016 | |
|  | | Ducati club races | | National Race | | may 29, 2016 | |
|  | | Motul TT Assen | | Grand Prix | | june 26, 2016 | |
|
 | | | British Superbike Championship | | october 02, 2016 | |
|  | | Acerbis Dutch Round | | Superbike World Championship | | april 30, 2017 | |
|  | | Ducati club races | | National Race | | may 28, 2017 | |
|  | | Motul TT Assen | | Grand Prix | | june 25, 2017 | |
|
 | | | British Superbike Championship | | october 01, 2017 | |
|  | | Dutch Round | | Superbike World Championship | | april 22, 2018 | |
|  | | Motul TT Assen | | Grand Prix | | july 01, 2018 | |
|  | | British Superbikes | | British Superbike Championship | | september 30, 2018 | |
|
 | | Dutch Round | | Superbike World Championship | | april 14, 2019 | |
|  | | Motul TT Assen | | Grand Prix | | june 30, 2019 | |
|  | | Motul TT Assen | | Grand Prix | | june 27, 2021 | |
|  | | Dutch Round | | Superbike World Championship | | april 24, 2022 | |
|
 | | Motul TT Assen | | Grand Prix | | june 26, 2022 | |
|  | | Dutch Round | | Superbike World Championship | | april 23, 2023 | |
|  | | Motul TT Assen | | Grand Prix | | june 25, 2023 | |
|  | | Dutch Round | | Superbike World Championship | | april 21, 2024 | |
|
 | | Motul TT Assen | | Grand Prix | | june 30, 2024 | |
|  | | Dutch Round | | Superbike World Championship | | april 13, 2025 | |
|  | | Motul GP of The Netherlands | | Grand Prix | | june 29, 2025 | |
|
