There have been 740 champions in kart racing classes sanctioned by the Commission Internationale de Karting () since 2007, when KF and KZ regulations were introduced to international competition. OK replaced KF as the senior regulation in 2016, also when OK-Junior () replaced its KF-Junior () counterpart for drivers under the age of 15. KZ—formerly known as KZ1—and KZ2 have remained the gearbox classes throughout this span. Academy and 60 Mini have since been introduced as junior categories by the in 2010 and 2020, respectively. Young drivers typically progress to junior formulae before reaching the gearbox classes—referred to as "the domain of factory teams and professional drivers" by the —as the minimum age for progression has decreased throughout the 21st century.
IAME classes also feature prominently on the international kart racing calendar, as well as the Rotax Max Challenge (2000–present) and ROK Cup (2003–present), which operate under manufacturer-designated classes approved by the . The inaugural editions of several competitions pre-date this list: Karting World Championship (1964), Karting European Championship (1970), Trofeo delle Industrie (1971), Karting Asia-Pacific Championship (1981), Andrea Margutti Trophy (1990), CIK-FIA Viking Trophy (1990), Monaco Kart Cup (1995), South Garda Winter Cup (1996), and WSK International Series (2006). The Trofeo delle Industrie, Andrea Margutti Trophy, and South Garda Winter Cup—all Italian competitions—were each granted international status by the .
The superkart category also pre-dates the list, reaching the international stage as early as 1976. Several national championships have held international classes and are not included. Marco Ardigò won a record 22 international titles from 2007—including three World and three European Championships—until his retirement in 2019, followed by Max Verstappen's 13 titles from 2010 to 2013. Since 2007, Italian drivers have won 201 titles—97 of which are in the gearbox classes—with British drivers on 113, and Dutch drivers on 72. Three women feature on this list: Beitske Visser, Marta García, and Luna Fluxá.
By class +Key Driver has competed in Formula One Formula One World Drivers' Champion FIA World Champion in an auto racing discipline
Senior classes
KF1 / Super-KF (2007–2012) KF1—replaced by Super-KF (SKF) from 2009 to 2010—was the primary senior class in competition from 2007 to 2012 for drivers aged 15 and over. SKF differed from KF1 with non-homologated engines, whilst retaining the free chassis, brakes, and tyres. It hosted the World Championship in each year of its existence bar 2010, where it was replaced by KF2.
+YearCompetitionYearWorld ChampionshipWorld CupEuropean ChampionshipAsia-Pacific ChampionshipWSK World SeriesSouth Garda Winter Cup2007 Marco Ardigò Marco Ardigò Marco Ardigò Marco Ardigò Michael Christensen20072008 Marco Ardigò Davide Forè Marco Ardigò Marco Ardigò Sauro Cesetti Yannick de Brabander20082009 Arnaud Kozlinski Yannick de Brabander Aaro Vainio Arnaud Kozlinski Gary Catt20092010 Oliver Rowland Armand Convers Libor Toman20102011 Nyck de Vries Daiki Sasaki20112012 Flavio Camponeschi2012Source:
Additional international titles that have been held in KF1 / SKF since 2007:
+Additional titles in KF1 / SKFYearCompetitionDriver2007Andrea Margutti Trophy Gary Catt2008Andrea Margutti Trophy Gary Catt2010WSK Euro Series Armand ConversMacau International Kart Grand Prix Marco Ardigò2011WSK Euro Series Nyck de VriesSource:
KF / KF2 (2007–2015) KF2 was the secondary senior class from 2007 to 2012 for drivers aged 15 and over, before becoming the primary class in 2013 as KF. It hosted the World Championship four times: 2010, 2013, 2014, and 2015.
+YearCompetitionYearWorld ChampionshipWorld CupEuropean ChampionshipAsia-Pacific ChampionshipWSK Final CupWSK Euro SeriesWSK Super Master SeriesWSK World SeriesViking TrophyBridgestone CupSouth Garda Winter CupAndrea Margutti TrophyTrofeo delle Industrie2007 Michael Ryall Will Stevens Will Stevens Yannick de Brabander Jesper Wernersson Anthony Abbasse Yannick de Brabander Burkhard Maring Burkhard Maring20072008 Oliver Rowland Flavio Camponeschi Jack Harvey Flavio Camponeschi Joel Johansson Robert Foster-Jones Robert Foster-Jones Zdeněk Groman Andre Hauke20082009 David da Luz Jordan Chamberlain Felice Tiene Ben Cooper Kevin Munkholm Nicolaj Møller Madsen Brandon Maïsano Brandon Maïsano Nicola Torri20092010 Nyck de Vries Nicolaj Møller Madsen Kiyoto Fujinami Chris Lock Ignazio D'Agosto Antonio Giovinazzi Sebastien Bailly Kevin Munkholm Sami Luka Michaël Hêche Jacob Nortoft Stefano Cucco20102011 Loris Spinelli Sami Luka Arata Saeki Dennis Olsen Stefano Cucco Antonio Giovinazzi Kenneth Aarsnes Nicolaj Møller Madsen Teemu Suninen Alain ValenteCancelled20112012 Felice Tiene Ben Barnicoat Nicklas Nielsen Dennis Olsen Charles Leclerc Max Verstappen Jussi Kuusiniemi Max Verstappen Felice Tiene Igor Waliłko20122013 Tom Joyner Karol Basz Max Verstappen Julien Fong Wei Jie Callum Ilott Dorian Boccolacci Dorian Boccolacci Max Verstappen Dorian Boccolacci Callum Ilott20132014 Lando Norris Callum Ilott Karol Basz Callum Ilott Alessio Lorandi Alessio Lorandi Stefano Cucco20142015 Karol Basz Ben Hanley Haruyuki Takahashi Nicklas Nielsen Nicklas Nielsen Nicklas Nielsen Alexander Vartanyan2015Source: Italics indicates the championships where KF / KF2 was the secondary senior class.
Additional international titles that have been held in KF / KF2 since 2007:
+Additional titles in KF / KF2YearCompetitionDriver2008WSK Silver Cup Mackenzie Taylor2012WSK Silver Cup Emanuele NocitaIndonesia Kart Prix Antonio Giovinazzi2014WSK Champions Cup Karol Basz2015WSK Champions Cup Nicklas NielsenWSK Gold Cup Karol BaszWSK Night Edition Leonardo LorandiSource:
OK (2016–present) Original Kart (OK) has been the primary senior class since 2016 for drivers aged 14 and over, hosting the World Championship each year since its inception.
+YearCompetitionYearWorld ChampionshipEuropean ChampionshipWSK Final CupWSK Euro SeriesWSK Super Master SeriesWSK Champions CupWSK Open CupChampions of the FutureSouth Garda Winter CupAndrea Margutti TrophyTrofeo delle Industrie2016 Pedro Hiltbrand Pedro Hiltbrand Karol Basz Lorenzo Travisanutto Logan Sargeant Nicklas Nielsen Alexander Smolyar20162017 Danny Keirle Sami Taoufik Nicklas Nielsen Clément Novalak Pedro Hiltbrand Lorenzo Travisanutto Callum Bradshaw Chris Lulham20172018 Lorenzo Travisanutto Hannes Janker Lorenzo Travisanutto Hannes Janker Nicklas Nielsen Luigi Coluccio Hannes Janker Andrea Rosso20182019 Lorenzo Travisanutto Lorenzo Travisanutto Pedro Hiltbrand Lorenzo Travisanutto Dexter Patterson Taylor Barnard Taylor Barnard Lorenzo Travisanutto Leonardo Bertini Colla Dilano van 't Hoff20192020 Callum Bradshaw Andrea Kimi AntonelliCancelled Andrea Kimi Antonelli Nikita Bedrin Taylor Barnard Taylor Barnard Nikita Bedrin Joe TurneyCancelled20202021 Tuukka Taponen Andrea Kimi Antonelli Arvid Lindblad Arvid Lindblad Rafael Câmara Rafael Câmara Tuukka Taponen Rafael Câmara Kean Nakamura-Berta20212022 Matheus Morgatto Kean Nakamura-Berta Joe Turney Kean Nakamura-Berta Joe Turney Danny Carenini Tomass Štolcermanis Joe TurneyCancelled20222023 Kirill Kutskov René Lammers Dmitry Matveev Kirill Kutskov James Egozi David Walther Alex Powell Martin Molnár20232024 Ethan Jeff-Hall Joe Turney Dries Van Langendonck Scott Lindblom Ean Eyckmans Oleksandr Bondarev Joe TurneyCancelled20242025 Thibaut Ramaekers Christian Costoya Jindřich Pešl Christian Costoya Dries Van Langendonck Kenzo Craigie20252026 Lev Krutogolov2026Source:
Additional international titles that have been held in OK since 2016:
+Additional titles in OKYearCompetitionDriver2016WSK Night Edition Alexander Smolyar2022FIA Motorsport Games Elie GoldsteinCOTF Winter Series Tomass Štolcermanis2024FIA Motorsport Games Markas ŠilkūnasSource:
OK-National (2023–present) OK-National (OK-N) was introduced as the secondary senior class in 2023 for drivers aged 15 and over, and has hosted a World Cup since 2024.
+YearCompetitionYearWorld CupWSK Final CupWSK Euro SeriesChampions of the FutureAndrea Margutti TrophyTrofeo delle Industrie2023 Lamberto Ferrari Batı Ege Yıldırım Austin Gale20232024 Kyuho Lee Nicolas Marchesi Juliusz Ociepa Luna Fluxá Federico Albanese Manuel Scognamiglio20242025 Manuel Scognamiglio Nicolas Marchesi Manuel Scognamiglio Markas Šilkūnas Manuel Scognamiglio Nicolas Marchesi20252026 Nicolas Marchesi2026Source: Italics indicates the championships where OK-N was the secondary senior class.
Additional international titles that have been held in OK-N since 2023:
+Additional titles in OK-NYearCompetitionDriver2023Road to the World Cup Antonio Apicella2024WSK Open Series Karol PasiewiczWSK Super Cup Nicolas MarchesiSource:
Junior classes
KF-Junior / KF3 (2007–2015) KF3 was introduced as the junior class in 2007 for drivers aged 13 to 15, being upgraded to World Championship status in 2010 as the U18 World Championship; it was renamed KF-Junior (KF-J) in 2013.
+YearCompetitionYearWorld ChampionshipWorld CupEuropean ChampionshipAsia-Pacific ChampionshipWSK Final CupWSK Euro SeriesWSK Super Master SeriesWSK World SeriesMonaco Kart CupViking TrophyBridgestone CupSouth Garda Winter CupAndrea Margutti TrophyTrofeo delle Industrie2007 Jack Harvey Gerard Barrabeig Matteo Vigano Max Goff Timmy Hansen Max Goff Viktor Öberg Jack Harvey Aaro Vainio20072008 Aaro Vainio Carlos Sainz Jr. Nyck de Vries Aaro Vainio Maxim Zimin Daniil Kvyat Aaro Vainio Ignazio D'Agosto Daniil Kvyat20082009 Giuliano Maria Niceta Nyck de Vries Jordan King Nyck de Vries Carlos Sainz Jr. Andreas Hansen Pavel Rudakov Daniil Kvyat Daniil Kvyat Pietro Lacaita20092010 Jake Dennis Alexander Albon Alexander Albon Matthew Graham Max Verstappen Max Verstappen Nicklas Nielsen Max Verstappen Charles Leclerc Nicolas Beer Max Verstappen Egor Orudzhev Loris Spinelli Kevin Lavelli20102011 Matthew Graham Charles Leclerc George Russell Nicklas Nielsen Nicklas Nielsen Max Verstappen Antonio FuocoCancelled Dennis Olsen Luca Corberi Dennis Olsen Slavko IvanovicCancelled20112012 Henry Easthope Luca Corberi George Russell Jehan Daruvala Callum Ilott Álex Palou Callum Ilott Nikita Sitnikov David Beckmann George Russell Martin Kodrić Callum Ilott20122013 Alessio Lorandi Lando Norris Lando Norris Robert Shwartzman Lando Norris Alessio Lorandi Christian Lundgaard Dan Ticktum Alexander Vartanyan20132014 Enaam Ahmed Enaam Ahmed Presley Martono Enaam Ahmed Enaam Ahmed Max Fewtrell Simon Reicher20142015 Logan Sargeant Christian Lundgaard Frederik Vesti Clément Novalak Alessio Lorandi Kush Maini Marta García2015Source:
Additional international titles that have been held in KF-J / KF3 since 2007:
+Additional titles in KF-J / KF3YearCompetitionDriver2008WSK Silver Cup Daniil Kvyat2012WSK Silver Cup Callum Ilott2014WSK Champions Cup Enaam Ahmed2015WSK Champions Cup Logan SargeantWSK Gold Cup Christian LundgaardVega International Winter Trophy Artem PetrovWSK Night Edition Logan SargeantSource:
OK-Junior (2016–present) OK-Junior (OK-J) replaced KF-Junior as the junior class in 2016 for drivers aged 12 to 14, and has hosted a World Championship each year since.