31 week of 1998

Circuit/Rally	Championship	Date	Winers	Chassis
Autodrom Most	Austria Formula 3 Cup	1998.08.02	Martin Rihs	Dallara F394 - Opel/Spiess
Autodrom Most	Austria Formula 3 Cup	1998.08.02	Martin Rihs	Dallara F394 - Opel/Spiess
Brands Hatch	Superbike World Championship	1998.08.02	Colin Edwards	Honda RC45
	Superbike World Championship	1998.08.02	Troy Corser	Ducati 916
	Supersport World Championship	1998.08.02	Fabrizio Pirovano	Suzuki
Donington Park	Formula Palmer Audi Championship	1998.08.02	Damien Faulkner	Van Diemen - Audi
Hockenheimring	Formula One World Championship	1998.08.02	Mika Häkkinen	McLaren MP4/13 - Mercedes
	Międzynarodowe Mistrzostwa Formuły 3000	1998.08.01	Nick Heidfeld	Lola T96/50 - Zytek
	Porsche SuperCup	1998.08.02	Patrick Huisman	Porsche 996 GT3 Cup
Magione	Italian Superturismo Championship	1998.08.02	Fabrizio Giovanardi	Alfa Romeo 156
Magione	Italian Superturismo Championship	1998.08.02	Fabrizio de Simone	BMW 320i
Namur	Motocrossowe Mistrzostwa Świata 500cc	1998.08.02	Stefan Everts	Honda
Olavarria	South American Touring Car Championship	1998.08.02	Juan Manuel Fangio II	Peugeot 406
Portland	Star Mazda	1998.08.02	Ian Lacy	Star Pro - Mazda
Posadas	SudAm Formula 3 Championship	1998.08.02	Gabriel Furlan	Dallara - Mitsubishi
Sportsland SUGO	All-Japan Formula 3	1998.08.01	Peter Dumbreck	Dallara F398 - Toyota
Sportsland SUGO	Formuła Nippon	1998.08.02	Masami Kageyama	Lola T97 - Mugen
Thruxton Circuit	Brytyjska Formuła Renault Sport	1998.08.02	Aluizio Coelho	Tatuus RC98 - Renault
	British Touring Car Championship (BTCC)	1998.08.02	Anthony Reid	Nissan Primera GT
	British Touring Car Championship (BTCC)	1998.08.02	Alain Menu	Renault Laguna
	Renault Spider Cup	1998.08.02	Duncan Vercoe	Renault Spider
	Brytyjska Formuła Ford	1998.08.02	Jenson Button	Mygale SJ98 - Ford
	Formula Vauxhall Junior Championship	1998.08.02	Richard Lyons
Trois-Rivières	CART Indy Lights Series	1998.08.02	Cristiano da Matta	Lola T97/20 - Buick
	Mistrzostwa Toyota Atlantic	1998.08.02	Alex Tagliani	Swift 008.a - Toyota
	Trans-Am Series	1998.08.02	Paul Gentilozzi	Chevrolet Corvette
Varano	Italian Superturismo Championship	1998.07.27	Emanuele Naspetti	BMW 320i
Varano	Italian Superturismo Championship	1998.07.27	Emanuele Naspetti	BMW 320i
Wunstorf	Super Tourenwagen Cup	1998.08.02	Laurent Aïello	Peugeot 406
	Super Tourenwagen Cup	1998.08.02	Manuel Reuter	Opel Vectra
	Niemiecka Formuła 3	1998.08.01	Thomas Jäger	Martini Mk 73 - Opel
	Niemiecka Formuła 3	1998.08.02	Pierre Kaffer	Martini Mk 73 - Opel
	ADAC Volkwagen Polo Cup	1998.08.02	Patrick Michels	Volkswagen Lupo Cup
Rajd Madery	European Rally Championship	1998.08.01	Andrea Aghini	Toyota Corolla WRC
Rajd Sosser Sliven	European Rally Championship	1998.08.02	Stoyan Kolev	Ford Escort RS Cosworth
Rajd Zimbabwe	African Rally Championship	1998.08.02	Satwant Singh	Subaru Impreza WRX
Rajd Zimbabwe	African Rally Championship	1998.08.02	Hannes Cruger	Toyota Conquest