AMA American Motorcyclist Association
ARCA Automobile Racing Club of America stock car series
ARGENTINA-TC ArgentinIan Turismo Carretera
ASLMS Asian Le Mans Series
AUTOGP Auto GP formula series (was Euroseries 3000)
BIKE Other motorcyle racing series
BLANCPAIN ENDURANCE Blancpain Endurance Series
BOAT Other unlimited hydroplane, power boat racing
BSS Blancpain Sprint Series (also includes FIA GT Series)
BTCC MSA British Touring Car Championship
CCR International cross-country rally and rally-raid events
CHARITY News about racing charities
CSBK Canada Superbike Championship Series
DAKAR Dakar Series rally raid events
DRAG Drag racing
DTM German Touring Car Masters series
ELMS European Le Mans Series
ENDURANCE Endurance racing other than Le Mans 24H
EUROF3 F3 Euroseries Championship
F1 Formula One World Championship
F3 Formula 3, international and others
FERRARI Ferrari Challenge Series, Ferrari FXX AND F1 Clienti
FIM Federation International Motocyclisme
FORMULA RENAULT 3.5 Formula Renault 3.5
FORMULA-E FIA Formula E Championship
FRENAULT Formula Renault 1600, 2000, V6 series
GENERAL Multiple series/organization/other information
GP2 GP2 Series
GP3 GP3 Series
GT Grand Touring various series
HILLCLIMB Hill climb races and championships
HISTORY Racing history
IMSA International Motor Sports Association
INDYCAR IndyCar Series
INDYLIGHTS IRL (Firestone) Indy Lights series
KART Other forms of karting worldwide
LEMANS 24 heures du Mans
MIDGET Other midget racing series and events
MOTOGP FIM Road Racing World Championship Grand Prix
NASCAR National Association for Stock Car Auto Racing
NASCAR-CDN NASCAR Canadian Tire Series
NASCAR-TRUCK NASCAR Camping World Truck Series
NASCAR-XS NASCAR XFINITY Series (was: Nationwide Series)
NHRA National Hot Rod Asssociation
OFFROAD Off-road racing worldwide
OPENWHEEL Other open wheel racing series
PORSCHE Porsche Motorsports Racing Car Championships (all regions)
PRO-MAZDA Pro Mazda Championship presented by Cooper Tires
PWC Pirelli World Challenge
RALLY Mainly FIA-sanctioned events plus others
RALLYCAR US National/Regional events plus US National Rallycross
ROADRACING Bikes or cars on road, street or temporary circuits
SCCA Sports Car Club of America
SCORE SCORE off-road racing
SIM-RACING Racing simulators and racing-related video games
SPRINT Other Sprint car racing series
STOCKCAR Stock car racing
TOURING Touring car racing
TRANSAM Trans-Am Road Racing Series'
TUSC TUDOR United SportsCar Championship
USAC United States Auto Club racing series
USF2000 U.S. F2000 National Championship
V8SUPERCARS Australian V8 Supercar Series
VINTAGE Vintage racing
WEC World Endurance Championship
WOO World of Outlaws sprint car racing
WRC World Rally Championship
WSBK FIM World Superbike Championship
WTCC FIA World Touring Car Championship