National Championships
FIA European Championship for Rallycross Drivers 2003
| May 17-18 | Eurocircuito de Lousada | Lousada | Portugal |
| May 24-25 | Circuit d'Essay | Essay-Orne | France |
| June 07-08 | PS-Racing Center | Greinbach | Austria |
| June 14-15 | Autodrom Sedlcany | Sedlcany | Czech Republic |
| July 05-06 | Höljesbanan | Höljes | Sweden |
| August 09-10 | Circuit Duivelsberg | Maasmechelen | Belgium |
| August 16-17 | Eurocircuit | Valkenswaard | Netherlands |
| September 06-07 | Lyngås Motorbane | Drammen | Norway |
| September 20-21 | Tor Slomczyn | Slomczyn | Poland |
| September 27-28 | Estering | Buxtehude | Germany |
ERA (European Rallycross Association) Cup 2003
| May 17-18 | Eurocircuito de Lousada | Lousada | Portugal |
| May 24-25 | Circuit d'Essay | Essay-Orne | France |
| June 07-08 | PS-Racing Center | Greinbach | Austria |
| June 14-15 | Autodrom Sedlcany | Sedlcany | Czech Republic |
| July 05-06 | Höljesbanan | Höljes | Sweden |
| August 09-10 | Circuit Duivelsberg | Maasmechelen | Belgium |
| September 06-07 | Lyngås Motorbane | Drammen | Norway |
| September 20-21 | Tor Slomczyn | Slomczyn | Poland |
| September 27-28 | Estering | Buxtehude | Germany |
FIA Central European Zone Rallycross-Trophy 2003
| May 03-04 | PS-Racing Center | Greinbach | Austria |
| July 19-20 | Tapolca Nyírád | Nyírád | Hungary |
| July 26-27 | Sedlcanská kotlina | Sedlcany | Czech Republic |
| September 06-07 | Nordring | Horn | Austria |
| October 18-19 | Autodrom Sosnová | Ceská Lípa | Czech Republic |
Baltic Open Championship for Autocross/Rallycross Drivers 2003
| May 10-11 | Priekules Trase | Priekule | Latvia |
| July 19-20 | Musas Trase | Bauska | Latvia |
| August 30-31 | Sakiai | Sakiai | Lithuania |
| September 27-28 | Matsi Krossirada | Varstu | Estonia |
BELNED Championship for Rallycross Drivers 2003
| May 11 | Eurocircuit | Valkenswaard | Netherlands |
| June 01 | Circuit Glosso | Arendonk | Belgium |
| June 22 | Eurocircuit | Valkenswaard | Netherlands |
| July 13 | Circuit Duivelsberg | Maasmechelen | Belgium |
| September 14 | Circuit Glosso | Arendonk | Belgium |
| October 12 | Circuit Duivelsberg | Maasmechelen | Belgium |
FIA Ice Race Series International 2003
| January 31-February 02 | Circuit de Grépon | Chamonix | France |
| February 07-09 | Circuit de Saint Rhémy-en-Bosses | Saint Rhémy-en-Bosses | Italy |
| February 28-March 02 | Circuit Neva-Ring -cancelled- | Sankt-Petersburg | Russia |
International Austrian Rallycross
Championship 2003
| April 27 | Nordring | Horn | Austria |
| May 04 | PS-Racing Center | Greinbach | Austria |
| June 29 | Autodrom Sosnová | Ceská Lípa | Czech Republic |
| July 12 | Rímov | Rímov | Czech Republic |
| July 20 | Tapolca Nyírád | Nyírád | Hungary |
| July 27 | Autodrom Sedlcany | Sedlcany | Czech Republic |
| August 24 | PS-Racing Center | Greinbach | Austria |
| September 07 | Nordring | Horn | Austria |
| October 05 | Wachau Ring | Melk | Austria |
| October 19 | Autodrom Sosnová | Ceská Lípa | Czech Republic |
International Belgian Rallycross
Championship 2003
| March 02 | Circuit Duivelsberg | Maasmechelen | Belgium |
| April 27 | Circuit Glosso | Arendonk | Belgium |
| June 01 | Circuit Glosso | Arendonk | Belgium |
| July 13 | Circuit Duivelsberg | Maasmechelen | Belgium |
| September 07 | Circuit Duivelsberg | Maasmechelen | Belgium |
| September 14 | Circuit Glosso | Arendonk | Belgium |
| October 12 | Circuit Duivelsberg | Maasmechelen | Belgium |
Flemish National Rallycross Championship 2003
| March 01 | Circuit Duivelsberg | Maasmechelen | Belgium |
| May 18 | Circuit Glosso | Arendonk | Belgium |
| June 29 | Circuit Glosso | Arendonk | Belgium |
| July 12 | Circuit Duivelsberg | Maasmechelen | Belgium |
| August 24 | Circuit Glosso | Arendonk | Belgium |
| September 06 | Circuit Duivelsberg | Maasmechelen | Belgium |
| October 11 | Circuit Duivelsberg | Maasmechelen | Belgium |
MSA British Rallycross Championship 2003
British Rallycross Drivers Association Championship
2003
| March 09 | Croft Circuit | Croft on Tees | England |
| March 29 | Nutts Corner Raceway | Antrim | Northern Ireland |
| March 30 | Mondello Park | Naas | Irish Republic |
| April 21 | Lydden Circuit | Canterbury | England |
| May 25 | Knockhill Racing Circuit | Knockhill | Scotland |
| June 22 | Anglesey Circuit | Anglesey | Wales |
| July 26-27 | Blyton Circuit | Gainsborough | England |
| August 25 | Lydden Circuit | Canterbury | England |
| September 20-21 | Blyton Circuit | Gainsborough | England |
| November 16 | Brands Hatch Circuit | Brands Hatch | England |
There is a testing day on the 23rd of February 2003 at Blyton Circuit.
British Rallycross Grand Prix 2003
| October 11-12 | Croft Circuit -cancelled- | Croft on Tees | England |
International Rallycross
Championship of Czech Republic 2003
| April 27 | Nordring | Horn | Austria |
| May 04 | PS-Racing Center | Greinbach | Austria |
| June 29 | Autodrom Sosnová | Ceská Lípa | Czech Republic |
| July 12 | Rímov | Rímov | Czech Republic |
| July 27 | Autodrom Sedlcany | Sedlcany | Czech Republic |
| August 24 | PS-Racing Center | Greinbach | Austria |
| October 05 | Wachau Ring | Melk | Austria |
| October 19 | Autodrom Sosnová | Ceská Lípa | Czech Republic |
Danish Rallycross Championship
2003
| May 16 | Løvelbanen | Løvel | Denmark |
| May 25 | Nysumbanen | Nysum | Denmark |
| June 09 | Nisseringen | Næstved | Denmark |
| June 22 | Ørnedalsbanen | Sæby | Denmark |
| July 24-26 | Ørnedalsbanen | Sæby | Denmark |
| August 10 | Nisseringen | Næstved | Denmark |
| August 24 | Nørlundbanen | Nørlund | Denmark |
| September 07 | Nysumbanen | Nysum | Denmark |
| September 21 | Ørnedalsbanen | Sæby | Denmark |
International Dutch
RallyRacing Championship 2003
| April 06 | Eurocircuit | Valkenswaard | Netherlands |
| April 27 | Circuit Glosso | Arendonk | Belgium |
| May 11 | Eurocircuit | Valkenswaard | Netherlands |
| June 01 | Circuit Glosso | Arendonk | Belgium |
| June 22 | Eurocircuit | Valkenswaard | Netherlands |
| July 13 | Circuit Duivelsberg | Maasmechelen | Belgium |
| July 20 | Eurocircuit | Valkenswaard | Netherlands |
There is a testing day on the 23rd of March 2003 at the Eurocircuit.
Estonian Rallycross Championship
2003
| February 16 | Raadi Krossirada | Raadi | Estonia |
| June 29 | Vasalemma Krossirada | Vasalemma | Estonia |
| August 02 | Kogula Krossirada | Kogula | Estonia |
| August 30 | Vasalemma Krossirada | Vasalemma | Estonia |
| September 20 | Kogula Krossirada | Kogula | Estonia |
Finnish Rallycross Championship 2003
| May 24 | Tolosenmäen Moottorirata | Kitee | Finland |
| June 07 | Kaanaan Moottorirata | Tampere | Finland |
| June 28 | Risten Rata | Kokemäki | Finland |
| July 26 | Sotkan Moottoristadion | Kauhajoki | Finland |
| August 23 | Suonenjoen Rallicross Rata | Suonenjoki | Finland |
| September 13 | Tykkimäen Moottorirata | Kouvola | Finland |
French Rallycross Championship
2003
| May 10-11 | Circuit Automobile de Faleyras | Faleyras | France |
| May 24-25 | Circuit d'Essay | Essay-Orne | France |
| June 07-08 | Circuit de Lunéville | Lunéville | France |
| June 14-15 | Circuit de Faux | Bergerac | France |
| June 28-29 | Circuit de Lavaré | Lavaré | France |
| July 12-13 | Circuit de Châteauroux | Châteauroux | France |
| July 26-27 | Circuit Jean-Luc Pailler | Kerlabo | France |
| September 06-07 | Circuit de Lohéac | Lohéac | France |
| September 20-21 | Circuit de Mayenne | Mayenne | France |
| September 27-28 | Circuit de Dreux | Dreux | France |
| October 11-12 | Circuit d'Essay | Essay-Orne | France |
Coupe de France de Rallycross
2003
| May 03-04 | Circuit André Toton | Bourges-Allogny | France |
| May 10-11 | Circuit Automobile de Faleyras | Faleyras | France |
| June 07-08 | Circuit de Lunéville | Lunéville | France |
| June 14-15 | Circuit de Faux | Bergerac | France |
| June 28-29 | Circuit de Lavaré | Lavaré | France |
| July 12-13 | Circuit de Châteauroux | Châteauroux | France |
| July 26-27 | Circuit Jean-Luc Pailler | Kerlabo | France |
| September 06-07 | Circuit de Lohéac | Lohéac | France |
| September 20-21 | Circuit de Mayenne | Mayenne | France |
| September 27-28 | Circuit de Dreux | Dreux | France |
| October 11-12 | Circuit d'Essay | Essay-Orne | France |
Challenge Citroën Saxo
Rallycross 2003
| May 10-11 | Circuit Automobile de Faleyras | Faleyras | France |
| May 24-25 | Circuit d'Essay | Essay-Orne | France |
| June 07-08 | Circuit de Lunéville | Lunéville | France |
| July 12-13 | Circuit de Châteauroux | Châteauroux | France |
| September 06-07 | Circuit de Lohéac | Lohéac | France |
| September 27-28 | Circuit de Dreux | Dreux | France |
International German Rallycross
Championship 2003
DRV Super Cup 2003
| April 26-27 | Estering | Buxtehude | Germany |
| May 25 | Nysumbanen | Nysum | Denmark |
| June 07-08 | Gründautalring | Gründau | Germany |
| June 14-15 | Estering | Buxtehude | Germany |
| August 23-24 | Estering | Buxtehude | Germany |
| October 04-05 | "Am Matschenberg" | Weigsdorf-Köblitz | Germany |
Hungarian
Rallycross Championship 2003
| April 20-21 | Rabócsiring | Máriapócs | Hungary |
| May 04 | PS-Racing Center | Greinbach | Austria |
| May 10-11 | Tapolca Nyírád | Nyírád | Hungary |
| June 08-09 | Rabócsiring | Máriapócs | Hungary |
| July 19-20 | Tapolca Nyírád | Nyírád | Hungary |
| September 13-14 | Tapolca Nyírád | Nyírád | Hungary |
| October 05 | Wachau Ring -cancelled- | Melk | Austria |
| October 11-12 | Rabócsiring | Máriapócs | Hungary |
Icelandic Rallycross
Championship 2003
| May 17 | Kapelluhraum | Hafnafjörður | Iceland |
| June 15 | Kapelluhraum | Hafnafjörður | Iceland |
| July 19 | Kapelluhraum | Hafnafjörður | Iceland |
| October 04 | Kapelluhraum | Hafnafjörður | Iceland |
A.I.K Cup 2003
| To be decided | Kapelluhraum -cancelled- | Hafnafjörður | Iceland |
| To be decided | Kapelluhraum -cancelled- | Hafnafjörður | Iceland |
Irish Rallycross Championship
2003
| February 09 | Mondello Park | Naas | Irish Republic |
| March 02 | Mondello Park | Naas | Irish Republic |
| March 29 | Nutts Corner Raceway | Antrim | Northern Ireland |
| March 30 | Mondello Park | Naas | Irish Republic |
| June 22 | Anglesey Circuit | Anglesey | Wales |
| October 26 | Mondello Park | Naas | Irish Republic |
| November 09 | Mondello Park | Naas | Irish Republic |
Lithuanian Rallycross Championship
2003
| April 19 | Anyksciai | Anyksciai | Lithuania |
| June 28 | Vilkyciai | Vilkyciai | Lithuania |
| July 20 | Musas Trase | Bauska | Latvia |
| October 26 | Kaunas | Kaunas | Lithuania |
Swedish Rallycross Championship
2003
| May 30-31 | Svampabanan | Tomelilla | Sweden |
| June 27-28 | Hamptjärnsbanan | Kalix | Sweden |
| August 29-30 | Strängnäs Motorstadion | Strängnäs | Sweden |
| September 12-13 | Kinnekulle Ring | Götene | Sweden |
Swedish Junior Rallycross
Championship 2003
| May 24 | Höljesbanan | Höljes | Sweden |
| May 30-31 | Svampabanan | Tomelilla | Sweden |
| June 27-28 | Hamptjärnsbanan | Kalix | Sweden |
| August 29-30 | Strängn&au |