2,140 articles
Grand Slam (Formula One)
Grand Slam (Grand Chelem) in Formula One: pole position, race win, fastest lap, and leading every lap in one weekend. First by Fangio, Monaco 1950; Jim Clark holds the record with eight.
Grand Tour (cycling)
Grand Tour (cycling): the Tour de France, Giro d'Italia, and Vuelta a España, three-week UCI stage races of 21 stages decided on cumulative time, with jerseys, prize money, and physiology distinct from all other road races.
Grave Digger (monster truck)
Grave Digger: Dennis Anderson's monster truck, created 1981-1982 from a 1951 Chevy Panel Wagon, the green-and-black flagship of Monster Jam with four World Finals titles and a family dynasty of drivers.
Gray Newell
Gray Newell (born 1997) is an American racing driver, son of Valve co-founder Gabe Newell, racing for the Heart of Racing Team in the FIA WEC LMGT3 class with Aston Martin, after SRO America GT4 and GT3 competition.
Great Britain at the UCI Track Cycling World Championships
Great Britain is one of the most successful nations at the UCI Track Cycling World Championships, ranking third all-time with 303 medals, including 124 gold.
Greg Biffle
Greg Biffle (1969-2025), American NASCAR driver from Vancouver, Washington; first driver to win both Truck (2000) and Xfinity (2002) championships, 19 Cup wins with Roush, 2005 runner-up, 75 Greatest Drivers honoree, died in a 2025 Statesville plane crash.
Greg Hancock
Greg Hancock (born 1970, Whittier, California) is an American former speedway rider, four-time FIM Speedway World Champion (1997, 2011, 2014, 2016), oldest champion at 46 years 130 days, and record holder for 218 SGP appearances and 2,655 points.
Greg LeMond
Greg LeMond (born 1961, Lakewood, California), American cyclist, three-time Tour de France winner (1986, 1989, 1990), first non-European Tour champion, 1989 winner by 8 seconds over Fignon, anti-doping advocate, first cyclist awarded the Congressional Gold Medal.
Greg van Avermaet
Greg van Avermaet, Belgian road cyclist born 1985 in Lokeren, Olympic road race champion at Rio 2016 and Paris-Roubaix 2017 winner; 42 victories over 17 seasons with Lotto, BMC, CCC and AG2R before retiring in 2023.
Gregor Braun
Gregor Braun, born 1955 in Neustadt an der Weinstraße, West German track and road cyclist; double 1976 Montreal Olympic champion (individual and team pursuit), professional pursuit world champion 1977 and 1978; convicted of child sexual abuse in 2023.
Gresini Racing
Gresini Racing (BK8 Gresini Racing MotoGP), Italian independent MotoGP team founded by Fausto Gresini in Faenza, competing since 1997; five world titles, Ducati satellite with Alex Marquez and Fermin Aldeguer.
Group A
Group A: FIA rally classification for modified production cars, homologation basis 5,000 road units; WRC's top category 1987-1996 after Group B's ban, succeeded by World Rally Car rules in 1997; iconic cars include the Lancia Delta Integrale and Subaru Impreza.
Group B
Group B was the FIA rally regulation category used in the World Rally Championship from 1982 to 1986, known for four-wheel-drive turbocharged cars with over 500 bhp, 200-car homologation, and its ban after the 1986 Toivonen and Portugal fatalities.
Group GT3
Group GT3, FIA grand touring race car category under Appendix J Article 257A, created by SRO in 2005, first raced at Silverstone in May 2006, equalized by Balance of Performance across GT World Challenge, IMSA GTD, and WEC LMGT3.
Guenther Steiner
Guenther Steiner (Günther Steiner), Italian motorsport engineer; team principal of Haas F1 Team 2016–2024, earlier Jaguar Racing MD and Red Bull technical operations director; Drive to Survive star; later Tech3 MotoGP part-owner.
Guglielmo Segato
Guglielmo Segato (1906-1979), Italian road cyclist; silver in the 100 km individual time trial and gold in the team road race at the 1932 Los Angeles Olympics; later professional, 33rd in the 1933 Giro d'Italia.
Guido Fulst
Guido Fulst (born 1970, Wernigerode) is a German track cyclist, double Olympic team pursuit gold medalist (1992, 2000), four-time world champion in the event, 2004 points race bronze medalist, and 2008 retiree.
Guido Messina
Guido Messina (1931-2020), Italian track cyclist, Olympic 1952 team pursuit gold medalist and five-time individual pursuit world champion (1948, 1953 amateur; 1954-56 professional), also won a 1955 Giro d'Italia stage.
Guizhou Junchi International Circuit
Guizhou Junchi International Circuit (贵州骏驰国际赛车场), also called Guiyang International Circuit, is an FIA Grade 4, 2.2 km, 14-turn circuit in Huaxi District, Guiyang, near Qingyan Ancient Town; opened for CTCC in October 2016, it was Southwest China's first FIA-certified F3 circuit and China's first rallycross circuit.
Gumball 3000
Gumball 3000 is an annual 3,000-mile international supercar rally and lifestyle brand founded in 1999 by Maximillion Cooper, officially a rally not a race, with a 2013 youth charity foundation that has raised over $12 million.
Gunn Rita Dahle Flesja
Gunn-Rita Dahle Flesjå, Norwegian cross-country mountain bike racer born 1973 in Stavanger; 2004 Athens Olympic champion, 10 world titles, four straight World Cup overalls 2003-06, record 30 World Cup wins; retired 2018.
Gunnar Asmussen
Gunnar Henry Asmussen, Danish track cyclist born 1944 in Aarhus, won 1968 Olympic gold in the 4,000 m team pursuit, took five Danish team-pursuit titles with Niels Fredborg, and later ran a bicycle shop and made funny bikes.
Gunnar Bjork
Gunnar Björk (Ernst Gunnar Björk, 1891-1980), Swedish road cyclist, 51st in the 1912 Stockholm Olympic road race and non-scoring member of the gold-medal Swedish team; also a 1952 Olympic reserve skier and a quantum-optics physicist.
Gunter Haritz
Günter Haritz (1948–2025), German track cyclist, won Olympic gold in the 1972 Munich 4,000m team pursuit and world titles in 1970 and 1973, then won 11 six-day races as a professional.
Gustav Burton
Gustav (Gus) Burton, British racing driver born 2002 in Southend, Essex; competes in Porsche Mobil 1 Supercup and Porsche Carrera Cup Deutschland, with a 2026 debut win at Norisring.
Haas F1 Team
Haas F1 Team is an American Formula One team founded by Gene Haas, based in Kannapolis, North Carolina, that debuted in 2016 and buys major components from Ferrari.
Haas Factory Team
Haas Factory Team is a NASCAR team owned by Gene Haas that began racing in 2025 in the Cup and O'Reilly Auto Parts Series from Kannapolis, North Carolina.
Hailie Deegan
Hailie Deegan (born 2001, Temecula, CA) is an American racing driver, daughter of Brian Deegan; first female K&N Pro Series winner, 2020 ARCA Rookie of the Year, Truck and Xfinity competitor, and 2025 HMD Motorsports INDY NXT driver.
Hakim Danish
Hakim Danish (Muhammad Hakim Danish Ramli), Malaysian Moto3 rider born 2007 in Terengganu, races for AEON Credit-MT Helmets-MSI on KTM; first Malaysian Asia Talent Cup champion (2022), first Malaysian Moto3 podium and win in a decade in 2026.
Halo (safety device)
Halo: titanium cockpit protection hoop mandatory in Formula 1 since 2018, developed by the FIA and Global Institute for Motor Sport Safety; withstood 15x car static load in tests, credited in Grosjean, Hamilton, and Zhou crashes; IndyCar uses the Aeroscreen instead.