Series | Driver | Season article |
Formula One World Championship | Michael Schumacher | 2003 Formula One season |
Constructors: Ferrari |
CART Championship Series | Paul Tracy | 2003 CART season |
IndyCar Series | Scott Dixon | 2003 IndyCar Series season |
Infiniti Pro Series | Mark Taylor | 2003 Infiniti Pro Series season |
Atlantic Championship | A. J. Allmendinger | 2003 Atlantic Championship season |
Australian Drivers' Championship | Daniel Gaunt | 2003 Australian Drivers' Championship |
Barber Dodge Pro Series | Leonardo Maia | 2003 Barber Dodge Pro Series |
Euro Formula 3000 Series | Augusto Farfus | 2003 Euro Formula 3000 Series |
Formula Nippon Championship | Satoshi Motoyama | 2003 Formula Nippon Championship |
Formula Volkswagen Germany | Jaap van Lagen | 2003 Formula Volkswagen Germany season |
International Formula 3000 Championship | Björn Wirdheim | 2003 International Formula 3000 Championship |
World Series by Lights | Juan Cruz Álvarez | 2003 World Series Lights season |
World Series by Nissan | Franck Montagny | 2003 World Series by Nissan season |
Formula Dodge National Championship | Raphael Matos | |
Masters: Chris Wilcox | |
Formula Dodge Eastern Championship | Marco Andretti | |
Masters: Mark Patterson | |
Formula Dodge Midwestern Championship | Salvador Durán | |
Masters: John Greist | |
Formula Dodge Southern Championship | Joe D'Agostino | |
Masters: John Pew | |
Formula Dodge Western Championship | Ricky Schmidt | |
Masters: Jim Mashburn | |
Skip Barber Challenge | Matt Franc | |
Formula RUS | Yuri Baiborodov | |
Russian Formula 1600 Championship | Alexander Tyuryumin | |
Formula Three |
Formula 3 Euro Series | Ryan Briscoe | 2003 Formula 3 Euro Series season |
Rookie: Christian Klien |
Nation: France |
Australian Formula 3 Championship | Michael Caruso | 2003 Australian Formula 3 Championship |
Trophy Class: David Borg |
British Formula 3 Championship | C: Alan van der Merwe | 2003 British Formula 3 season |
N: Ernesto Viso |
All-Japan Formula Three Championship | James Courtney | 2003 All-Japan Formula Three season |
Teams: TOM'S |
Engine Makers: Toyota |
Engine Tuners: TOM'S |
Finnish Formula Three Championship | Andrea Belicchi | |
German Formula Three Championship | João Paulo de Oliveira | 2003 German Formula Three season |
Rookie: Sven Barth |
Italian Formula Three Championship | Fausto Ippoliti | 2003 Italian Formula Three season |
Spanish Formula Three Championship | Ricardo Mauricio | 2003 Spanish Formula Three season |
Teams: Racing Engineering |
Trofeo Ibérico: Borja García |
Copa de España Júnior: Ricardo Risatti |
Formula 3 Sudamericana | Alberto Valério | 2003 Formula 3 Sudamericana season |
Asian Formula Three Championship | Pepon Marave | |
Formula Renault |
Formula Renault V6 Eurocup | José María López | 2003 Formula Renault V6 Eurocup |
Teams: ARTA-Signature |
Formula Renault 2000 Masters | Esteban Guerrieri | 2003 Formula Renault 2000 Masters season |
Teams: JD Motorsport |
Formula Renault 2000 UK | Lewis Hamilton | 2003 Formula Renault 2000 UK season |
Winter Series: Jay Howard |
Championnat de France Formula Renault 2000 | Loïc Duval | |
Formula Renault BARC | James Gornall | |
Formula Renault 2000 Italia | Franck Perera | |
Teams: Prema Powerteam |
Winter Series: Pastor Maldonado |
Formula Renault 2000 Germany | Ryan Sharp | |
Formula Renault 2000 Netherlands | Paul Meijer | |
Formula Renault 2000 Scandinavia | Tom Pedersen | |
Renault Speed Trophy F2000 | Manuel Benz | |
Mexican Formula Renault Championship | Homero Richards | |
Formula Renault 2000 Brazil | Allam Khodair | |
North American Fran Am 2000 Pro Championship | Andrew Ranger | |
Winter Series: Charles Hall |
Asian Formula Renault Challenge | Rodolfo Ávila | |
Teams: Asia Racing Team |
Formula Campus by Renault and Elf | Laurent Groppi | |
Formula Renault 1600 Argentina | Maximiliano Merlino | |
Formula Renault 1600 Belgium | Jérôme d'Ambrosio | |
Formula Junior 1600 Italia powered by Renault | Marino Spinozzi | |
Winter Series: Domenico Capuano |
Formula Junior 1600 Spain | Juan Antonio del Pino | |
North American Fran Am 1600 Pro Championship | Colin Braun | |
Formula Super Renault | Federico Lifschitz | |
Formula BMW |
Formula BMW ADAC | Maximilian Götz | 2003 Formula BMW ADAC season |
Teams: ADAC Berlin-Brandenburg |
Formula BMW Asia | Ho-Pin Tung | 2003 Formula BMW Asia season |
Teams: Team Meritus |
F. Baviera Junior Cup | Juan Cáceres | |