2,140 articles
Dimi Mavropoulos
Dimi (Dimis) Mavropoulos, Ντίμης Μαυρόπουλος, 1949–2026, Cypriot rally driver from Limassol; Cyprus champion 1986, 1988, 1990; won all seven 1990 events; founded Cyprus Historic & Classic Motor Museum; died off Cape Greco.
Dmitry Nelyubin
Dmitry Nelyubin (Дмитрий Нелюбин), Soviet track cyclist, 1988 Seoul Olympic team pursuit gold at 17, 1990 world champion, died 2005 in St. Petersburg.
Domestique
Domestique: French for "servant", the road cycling team rider who works for the leader, sheltering from wind, fetching bottles, pacing climbs, and donating wheels; Italian gregario; earliest leader-support use 1907 Tour de France.
Donald Campbell
Donald Campbell (1921-1967), British speed record driver, son of Sir Malcolm Campbell; set seven water speed records in Bluebird K7 (202.32-276.33 mph) and the 1964 land record of 403.1 mph in Bluebird CN7, the only person to hold both in one year; died on Coniston Water in 1967.
Donington Park
Donington Park is a Leicestershire motorsport circuit built on the Donington Hall estate. It hosted pre-war Grands Prix starting in 1931 and the only Formula One race in 1993.
Doping at the Tour de France
Doping at the Tour de France is the use of banned substances and methods by riders, and the anti-doping response, defined by the 1998 Festina affair and the Armstrong era.
Doping in the early Tour de France
Doping in the early Tour de France was the open, legal use of stimulants, painkillers, and alcohol by riders from 1903 until France criminalised doping in 1965.
Dover Motor Speedway
Dover Motor Speedway, the Monster Mile, is a 1-mile, 24-degree-banked concrete oval in Dover, Delaware, opened in 1969; NASCAR's only other concrete Cup track is Bristol. Jimmie Johnson leads with 11 Cup wins.
Drag racing
Drag racing: standing-start, two-vehicle acceleration contest, usually a quarter mile (1,320 feet), run as tournament eliminations; started by a Christmas Tree; NHRA founded 1951 by Wally Parks; Top Fuel and Funny Car reach 330 mph over 1,000 feet.
Drag reduction system
Drag reduction system (DRS), F1's adjustable rear-wing flap since 2011; opens within one second of the car ahead in designated zones, cutting drag about 15-20% for 4-16 km/h more speed; replaced by Active Aero in 2026.
Dries Van Langendonck
Dries Van Langendonck (DVL), born 2010, Belgian racing driver; 2023 OK Junior karting world champion, McLaren junior since 2024, Rodin Motorsport British F4 driver also backed by Verstappen Racing since 2026.
Dries Vanthoor
Dries Vanthoor, Belgian BMW M works driver with Team WRT since 2016; races the BMW M Hybrid V8 in WEC Hypercar (#15) and IMSA GTP (#24); Nürburgring 24h and Bathurst winner, 2026 Spa and Indianapolis victor.
Drifting (motorsport)
Drifting (motorsport): judged motorsport discipline where drivers hold cars in sustained sideslip via oversteer and countersteer. Originated in 1970s Japan with Kunimitsu Takahashi and Keiichi Tsuchiya; FIA-recognized since 2017; scored on line, angle, style, speed.
Ducati Corse
Ducati Corse, founded 1999, is Ducati Motor Holding's official racing division running MotoGP (Ducati Lenovo Team, Desmosedici GP) and WorldSBK (Aruba.it Racing), known for desmodromic valves, winglet aerodynamics, and 2023-2025 MotoGP titles.
Dunc Gray
Dunc Gray (Edgar Laurence Gray, 1906-1996), Australian track cyclist from Goulburn; won Australia's first Olympic cycling medal (bronze, 1928) and first cycling gold (1932 time trial, world record 1:13); Dunc Gray Velodrome named for him.
Dundrod Circuit
Dundrod Circuit, home of the Ulster Grand Prix since 1953, is a 7.401-mile closed road course near Belfast, County Antrim. Car racing ended after the 1955 Tourist Trophy deaths; Peter Hickman's 136.415 mph 2019 lap made it the world's fastest road racing circuit.
Dutch Grand Prix
Dutch Grand Prix (Grote Prijs van Nederland), Formula 1 race at Circuit Zandvoort; championship round 1952–1985, revived 2021, leaves calendar after the 2026 final edition won by Lando Norris.
Dutch national records in track cycling
The Dutch national records in track cycling are records recognized by the KNWU in sprint and endurance events, from the 200 m flying start to the hour record.
Dwars door Vlaanderen
Dwars door Vlaanderen (Across Flanders) is a Belgian WorldTour one-day race held the Wednesday before the Tour of Flanders, Roeselare to Waregem; Filippo Ganna won the 2026 edition, and Yves Lampaert is its only back-to-back winner.
Ed Clancy
Ed Clancy (born 1985, Barnsley) is a retired British track cyclist, three-time Olympic team pursuit gold medallist (2008, 2012, 2016) and 2010 omnium world champion, who retired at Tokyo 2020 with a back injury.
Eddie Cheever
Eddie Cheever Jr. (born 1958, Phoenix, Arizona) is an American former racing driver and team owner; record 132 F1 starts by an American, nine podiums, and 1998 Indianapolis 500 winner as driver and owner.
Eddie Irvine
Eddie Irvine, Northern Irish Formula One driver 1993–2002 with Jordan, Ferrari, and Jaguar; four Grand Prix wins, 1999 championship runner-up to Hakkinen by 2 points, Schumacher's Ferrari teammate 1996–1999.
Eddie Jordan
Eddie Jordan (EJ, 1948-2025), Irish F1 team owner who ran Jordan Grand Prix 1991-2005, gave Michael Schumacher his 1991 debut, won four grands prix, then became a BBC/Channel 4 pundit and Adrian Newey's manager.
Eddy Merckx
Eddy Merckx, 'the Cannibal', Belgian cyclist born 1945, five Tours, five Giros, one Vuelta, 525 career wins, three world titles, hour record 1972; benchmark for cycling's greatest rider.
Eef Dolman
Eef Dolman (Evert Gerardus Dolman), Dutch road cyclist (1946-1993): Olympic gold 1964 Tokyo 100 km team time trial, 1966 amateur world road champion, 1971 Tour of Flanders winner; 1967 national title stripped for doping.
Egan Bernal
Egan Bernal (Egan Arley Bernal Gomez, born 1997), Colombian cyclist for Netcompany Ineos; first Colombian Tour de France winner (2019), 2021 Giro champion, survived a near-fatal 2022 training crash, won a 2025 Vuelta stage.
Egon Müller
Egon Müller (born 1948, Kiel), German track racer; long track (Sandbahn) world champion 1974, 1975, 1978 and 1983 speedway world champion at Norden, the only German to hold that title; also a Schlager singer.
Eli Tomac
Eli Tomac (ET3), American motocross and supercross racer from Cortez, Colorado, born 1992; 2012 250SX West and 2013 250MX champion, four 450MX titles (2017-2019, 2022), two 450SX titles (2020, 2022), 2023 450SMX champion; retired after the 2026 SMX playoffs.
Elia Viviani
Elia Viviani is an Italian former road and track cyclist who won Olympic omnium gold at Rio 2016 and retired in 2025 with a final world title.
Elinor Barker
Elinor Barker (born 1994, Cardiff) is a Welsh track and road cyclist, Olympic team pursuit gold medallist at Rio 2016, multi-time world champion, and Uno-X Mobility rider.