| A1GP |
A1 Grand Prix world cup championship |
| ABRA |
American Boat Racing Association |
| ALLSTAR |
All Star sprint series |
| ALMS |
American Le Mans Series |
| AMA |
American Motorcyclist Association |
| AMA-M |
AMA Motocross Championship |
| AMA-SBK |
AMA Superbike Championship |
| AMA-SC |
AMA Supercross Series |
| ARCA |
Automobile Racing Club of America stock car series |
| ASA |
American Speed Association stock car racing |
| ASCS |
American Sprint Car Series |
| ATLANTIC |
Atlantic Championship |
| AUSV8SS |
Australian V8 Supercar Series |
| BARBER |
Skip Barber Racing: regional, national |
| BF3 |
British Formula 3 International Championship |
| BGTC |
British GT Championship (now GT) |
| BIKE |
Other Motorcyle Racing |
| BOAT |
Other unlimited hydroplane, power boat racing |
| BRC |
MSA British Rally Championship |
| BTCC |
MSA British Touring Car Championship |
| BUSINESS |
Automotive and motor sports business news |
| CAMS |
Confederation of Australian Motor Sport |
| CASCAR |
Canadian Association for Stock Car Auto Racing (now NASCAR-CDN) |
| CCR |
International cross-country rally and rally-raid events |
| CHARITY |
News about racing charities |
| COMMENTARY |
Current news commentary |
| CRC |
Canadian Rally Championship |
| CSBK |
Canada Superbike Championship Series |
| DAKAR |
Dakar Series rally raid events |
| DIRT |
DIRT Series |
| DIRT-TRACK |
Dirt track racing |
| DRAG |
Drag racing |
| DTM |
German Touring Car Masters series |
| DWARF |
Dwarf car series |
| ENDURANCE |
Endurance racing other than Le Mans 24H |
| EU3000 |
Euroseries F3000 |
| EUROF3 |
F3 Euroseries Championship |
| F1 |
Formula One World Championship |
| F1P6 |
F1 Pick6 competition |
| F1PP |
F1 F1PP competition |
| F3 |
Formula 3, international and others |
| FBMW |
Formula BMW Series (PAC, EU, AMER) |
| FCS |
Ferrari Challenge Series |
| FIA-GT |
FIA GT Championship |
| FIA-GT3 |
FIA GT3 European Championship |
| FIM |
Federation International Motocyclisme |
| FMX |
International Freestyle Motocross Association (IFMA) |
| FRENAULT |
Formula Renault 1600, 2000, V6 series |
| GP-MASTERS |
Grand Prix Masters World Series |
| GP2 |
GP2 Series |
| GRANDAM |
Grand-Am Rolex Sports Car Series |
| GRANDAM-SCC |
Grand-Am KONI Sports Car Challenge series |
| GRANDCUP |
Grand American Cup Series (now GRANDAM-SCC) |
| GT |
Grand Touring various series (formerly listed in ROADRACING) |
| HILLCLIMB |
Hill climb races and championships |
| HISTORY |
Racing history |
| HPROP |
Unlimited Hydroplane and Formula One boat racing |
| ICE |
Ice racing |
| IHRA |
International Hot Rod Association drag racing |
| IMSA |
International Motor Sports Association |
| INDYCAR |
IndyCar Series (after unification between IRL/CHAMPCAR) |
| INDYLIGHTS |
IRL (Firestone) Indy Lights series |
| IROC |
International Race of Champions |
| ISMA |
International Super Modified Association |
| KART |
Kart racing worldwide |
| KWC |
Kele World Challenge for sprint cars |
| LEMANS |
24 heures du Mans |
| LMS |
Le Mans Series |
| LSR |
Land Speed Racing |
| MIDGET |
Other forms of Midget racing |
| MISC |
Multiple series/organization/other information |
| MOTOCROSS |
Other forms of Motocross racing |
| MOTOGP |
FIM Road Racing World Championship Grand Prix |
| MOTORSPORT.COM |
News and press releases about Motorsport.com, Inc. |
| NA-F2000 |
USA and Canada Formula 2000 series |
| NASA |
National Auto Sport Association |
| NASCAR |
National Association for Stock Car Auto Racing |
| NASCAR-CDN |
NASCAR Canadian Tire Series |
| NASCAR-CUP |
NASCAR "Sprint" Cup Series |
| NASCAR-ELITE |
NASCAR Elite Division (SES, MWS, SWS, NWS) |
| NASCAR-GRAND |
NASCAR Grand National Division (ES and WS) |
| NASCAR-M |
NASCAR Modified "Whelen" series |
| NASCAR-NS |
NASCAR National "Nationwide" Series |
| NASCAR-TRUCK |
NASCAR "Camping World" Truck Series |
| NASCAR-WRS |
NASCAR Weekly Racing Series |
| NHRA |
National Hot Rod Asssociation |
| NHRA-SC |
NHRA Sport Compact Drag Racing Series |
| NHRA-SM |
NHRA Sportsman Drag Racing Series (all divisions) |
| OBITUARIES |
Deaths in the racing community |
| OFFROAD |
Off-road racing |
| OPENWHEEL |
Open wheel racing |
| PARTICIPANT |
Participant race reports |
| PCC |
Porsche Carrera Cup (all regions) |
| PSC |
Porsche SuperCup Series |
| RALLY |
Mainly FIA-sanctioned events plus others |
| RAMER |
Rally America National Championship Series |
| ROADRACING |
Bikes or cars on road, street or temporary circuits |
| RUMCC |
Renault Motorsport Clio Cup |
| SA-PROCAR |
South Africa PROCAR (ZA) racing |
| SAE |
Society of Automotive Engineers student series |
| SAFETY |
Racing related safety developments |
| SAORC |
South Africa National Off Road Championship |
| SCCA |
Sports Car Club of America |
| SCCA-PRO |
SCCA Pro Series competition |
| SCCA-RACE |
Club Racing, SCCA |
| SCCA-RALLY |
Club Rally, SCCA |
| SCCA-SOLO |
Club and Pro Solo, SCCA |
| SCCA-TA |
SCCA TransAm Series |
| SCCA-WC |
SCCA World Challenge |
| SCHEDULE |
Racing schedules and calendars |
| SCORE |
SCORE off-road racing |
| SKUSA |
Superkarts USA |
| SPRINT |
Other forms of Sprint car racing |
| STARMAZDA |
Star Mazda series |
| STOCKCAR |
Stock car racing |
| SUPERCROSS |
Other forms of Supercross racing |
| SUPERGT |
SUPER GT Series |
| SUPERSIDE |
FIM Sidecar World Championship |
| TECH |
Technical race related materials |
| TOURING |
Touring car racing |
| TRANSAM |
Trans-Am Road Racing Series' |
| TRUCK |
Other Truck Racing Series |
| TV |
TV programs and information |
| USAC |
United States Auto Club |
| USAC-FF |
USAC Ford Focus Midget series |
| USAC-M |
USAC Midget series |
| USAC-S |
USAC Sprint series |
| USAC-SC |
USAC Silver Crown Series |
| USAC-WM |
USAC Western Midget series |
| USAC-WS |
USAC Western Sprint series |
| USAR |
USAR Pro Cup Series (now STOCKCAR) |
| USRC |
United States Rally Championship |
| VINTAGE |
Vintage racing |
| WEB |
World Wide Web site information |
| WKA |
World Karting Association |
| WOO |
World of Outlaws sprint car racing |
| WRC |
World Rally Championship |
| WSBK |
FIM World Superbike Championship |
| WSR |
World Series by Renault |
| WTCC |
FIA World Touring Car Championship |
