Sanctioning bodies and federations.

America's largest motorsport club. HPDE, Time Trials, RallyCross, Road Racing. iCal feed available.

Regional HPDE and Time Trial sanctioning body — NorCal, SoCal, Mid-Atlantic, Northeast, Texas.

150,000+ members across 147 regions. Marque-specific HPDE.

Club-sponsored HPDE — about 150 events per year.

America's largest motorcycle sanctioning body — 2,000+ events per year.

Founded 1976 — largest national sanctioning body for club-level motorcycle road racing. National Endurance Series.

Founded 1984 — sportsman-level motorcycle road racing. 60+ sanctioned events per year. SuperStock, SportBike, Thunderbike.

Vintage motorcycle racing — road racing, motocross, flat track, cross-country for pre-1976 bikes. Sound of Singles, Battle of Twins.

Founded 1954 — the oldest US motorcycle road racing club. Events at Buttonwillow, Thunderhill, Laguna Seca, Sonoma.

California motorcycle road racing — pre-season test at Willow Springs followed by a four-round championship series at Buttonwillow Raceway Park, January through October.

Regional Midwest / Texas motorcycle road racing organization.

AMA-sanctioned Pro/Am regional supermoto series across the western US.

Ontario's club-focused motorcycle road racing organization.

Resident motorcycle road-racing club at Chuckwalla Valley Raceway — 2-day double-header race-weekend format, amateur and expert classes.

Motorcycle track-day directory and event aggregator — surfaces upcoming track days, riding schools, and racing events from multiple regional operators in one calendar. Useful sibling resource to TrackAlmanac for cross-checking event listings.

Owner-and-enthusiast club organizing HPDE events through regional chapters across the US — runs at Sonoma, Thunderhill, COTA, Road America, Watkins Glen. Brand-marque format mirroring the PCA / BMW CCA structure.

Longest-running US karting sanctioning body — Daytona KartWeek, Manufacturer's Cup, Gold Cup, Speedway Series, and regional dirt-oval kart racing. Licenses club racing at 100+ US kart tracks.

International karting governing body, FIA arm — World Karting Championship (KZ, KZ2, OK, OK-Junior, Academy Trophy), European Championship rounds, and homologation standard for kart chassis, engines, and tires worldwide.

FIA + FIM jointly-sanctioned cross-country world championship — five rounds annually including Dakar, Abu Dhabi Desert Challenge, Sonora Rally, Desafío Ruta 40, Rallye du Maroc.

Organizer of the 24 Hours of Le Mans since 1923 — co-sanctions the FIA World Endurance Championship (WEC) and the European Le Mans Series (ELMS). Defines the Le Mans Hypercar / LMP / LMGT3 regulations.

Premier North American sports car series — IMSA WeatherTech SportsCar Championship (Rolex 24, Sebring 12, Petit Le Mans, Watkins Glen 6) plus Michelin Pilot Challenge and Prototype Challenge.

Germany's largest automobile club — organizes the ADAC TotalEnergies 24h Nürburgring (the world's largest 24-hour race by entry count), Nürburgring Endurance Series (NLS), and ADAC GT Masters.

World championship for motorcycle endurance racing — Suzuka 8 Hours, Bol d'Or, 24 Heures Motos Le Mans, 8 Hours of Spa. Five-round calendar tracking the great motorcycle 24h venues.

French national motorsport governing body. Sanctions FFSA GT, French F4, Mitjet, plus club series at Paul Ricard, Magny-Cours, Le Mans Bugatti, Nogaro.

Italian motorsport federation. Sanctions Italian GT, Italian F4, Italian Endurance Championship, Coppa Italia. Runs the calendar at Monza, Mugello, Imola, Misano, Vallelunga.

Spanish motorsport federation. Sanctions Spanish F4, Spanish GT, Spanish Endurance, Iberian Supercars at Catalunya, Jerez, Aragón, Navarra, Portimão.

UK national governing body. Sanctions BSB, BTCC, British GT, British F4, plus all club racing at Silverstone, Brands Hatch, Donington, Snetterton, Oulton, Cadwell.

Belgian motorsport authority. Sanctions Belcar Endurance, Belgian Rally Championship, Spa-Francorchamps club days, GT4 European feeder series.

Brazil's national motorsport federation. Sanctions Stock Car, Stock Light, Endurance Brasil, Sprint Race, Porsche Cup Brasil. Pan-Brazil calendar at every major autódromo.

Global governing body for four-wheel motorsport — sanctions F1, WRC, WEC, WTCR, F2/F3, FIA Karting, Formula E. Headquartered in Paris, recognized by every national auto federation.

Global governing body for motorcycle sport — sanctions MotoGP, WorldSBK, MXGP, EWC, Trial GP, Speedway GP, FIM Cross-Country Rallies. Geneva-based, 117 member federations.

FIM continental affiliate for Europe — European championships in road racing, motocross, supermoto, enduro, and endurance.

UK motorcycle sport's national governing body since 1903 — sanctions Isle of Man TT, British Superbike support classes, British Motocross, ACU enduro, classic and trials.

German national motorsport federation covering both car and motorcycle sport — sanctions DTM, Nürburgring 24, ADAC GT Masters, DMSB karting, German rally championship.

French motorcycle federation — sanctions Bol d'Or, French Superbike, French MX, FFM trials and enduro.

Italian motorcycle sport federation — sanctions Italian CIV, Italian motocross championship, Italian flat track, and FMI-licensed trackdays.

US sanctioning body for stock-car racing — Cup, Xfinity, Truck, and short-track regional series. Headquartered in Daytona Beach.

US drag-racing sanctioning body — Top Fuel, Funny Car, Pro Stock, sportsman classes. Pomona-based, 100+ member tracks.

FIA-recognized US national federation — umbrella for NASCAR, IndyCar, IMSA, SCCA, NHRA, USAC, World Karting. Issues US racing licenses recognized internationally.

US sanctioning body for open-wheel dirt and pavement — Silver Crown, Sprint Cars, Midgets, USAC Stadium Trucks. Operates 700+ events a year.

Australian national auto motorsport federation (formerly CAMS). Sanctions Supercars, S5000, TCR Australia, Australian Rally, Bathurst 12, and every state-level club series.

Australian motorcycle sport federation — sanctions Australian Superbike (ASBK), MX Nationals, Australian Supercross, ProMX, and dirt-track championships.

New Zealand national auto motorsport federation — sanctions NZ Toyota 86 Championship, NZ Rally Championship, Hampton Downs and Highlands Park club series.

New Zealand motorcycle federation — sanctions NZ Superbike Championship, NZMX, classic and adventure series, and Bruce McLaren Motorsport Park rounds.

Japanese national auto federation, FIA-affiliated — sanctions Super GT, Super Formula, Japan Cup karting, Japanese Rally Championship at Suzuka, Motegi, Fuji, Sportsland Sugo.

Japanese motorcycle sport federation — sanctions All Japan Road Race Championship (JSB1000), All Japan MX, Suzuka 8 Hours support classes, MFJ trials and enduro.

India's FIA- and FIM-affiliated national federation — sanctions Indian National Racing Championship, Indian National Rally, FMSCI karting, Madras Motor Race Track and Buddh series.

South African national motorsport federation, FIA-affiliated — sanctions Kyalami 9 Hour, SA National GT, SA Rally Championship, Killarney and Zwartkops club series.

Saudi national federation, FIA + FIM affiliated — sanctions Dakar Saudi Arabia stages, Saudi Toyota Championship, Saudi MX, and Yas Marina-style desert events. Host of the Formula 1 Saudi Arabian Grand Prix at Jeddah.

UAE national federation, FIA-affiliated — sanctions Abu Dhabi Desert Challenge, Dubai 24H, UAE Touring Car Championship, Yas Marina and Dubai Autodrome club series.

China's national auto + motorcycle federation, FIA + FIM affiliated — sanctions China Touring Car Championship (CTCC), China F4, China Rally, Asia Road Racing Championship rounds at Shanghai International, Zhuhai, Guangdong.

South Korea's FIA-affiliated national sporting authority — sanctions Superrace Championship, Korea GT, CJ Logistics Super Race, and KARA-licensed events at Inje Speedium, Yongin Everland Speedway, and Korea International Circuit.

Malaysia's FIA-recognized national sporting body for four-wheel motorsport — sanctions Malaysia Championship Series, Asian Festival of Speed rounds, and Sepang International Circuit national series.

Singapore's National Sports Association for motorsport, FIA member (formerly SMSA, rebranded 2017). Licensing body for the Singapore Grand Prix and Singapore karting community.

Finland's national motorsport federation since 1960, FIA-affiliated — sanctions the Finnish Rally Championship, Jyväskylä WRC rounds, ice racing, and the Finnish national karting calendar. 320+ member clubs.

Croatia's FIA-affiliated auto and karting federation — sanctions Rally Croatia (WRC round), Croatian Touring Car Championship, hillclimb, and karting series. Headquartered in Zagreb.

Mexico's FIA-recognized national sporting authority — sanctions NASCAR Mexico Series, Super Copa, Mexican Rally Championship, Mexican F4, and the Mexican Grand Prix support program. Works alongside FEMADAC as the country's motorsport governing body.

Argentina's FIA-recognized national sporting authority since 1904 — the CDA arm of Automóvil Club Argentino. Sanctions every car series in Argentina including Súper TC2000, Turismo Carretera, Top Race, F4 Argentina, and karting championships at Buenos Aires Gálvez, Termas, Posadas, San Juan.

Chile's national motorsport federation since 1965, FIA-affiliated since 1975 — sanctions Top Race Chile, Rally Mobil Chilean championship, Chilean karting, and tracks at Codegua, Las Vizcachas, and Termas de Chillán.

Pacific Northwest's club racing body since 1981 — runs the OMRRA Championship at Portland International Raceway and The Ridge Motorsports Park (Shelton, WA). Sprint races, endurance rounds, and racer-development programs across two-cylinder, four-cylinder, and lightweight classes.

Rocky Mountain region's motorcycle club racing body — runs the MRA Championship primarily at High Plains Raceway (Byers, CO) and Pueblo Motorsports Park, with select rounds at Hastings (NE). Eight-round season with sprint and endurance formats.

National-tier amateur and pro-am sportbike championship — runs alongside CCS regional schedules, providing the bridge from regional club racing to the MotoAmerica national grid. Rounds at Daytona, Road Atlanta, Barber, NJMP, and select tracks coast-to-coast.

Small-displacement Grand Prix-style racing for Moto3, MotoE prototypes, Honda RS125, and 250 GP machines — feeds riders to the MotoAmerica Junior Cup and international GP grids. National championship runs at Barber, Road Atlanta, NJMP, and Pittsburgh International Race Complex.

Britain's oldest motorcycle racing club, founded 1909 ("Bemsee" colloquially) — runs UK national club championships at Brands Hatch, Cadwell Park, Snetterton, Donington, Silverstone, Mallory, Castle Combe, and Pembrey. Famous for the Brands Hatch Powerbike Festival and Thunderbike Pro Cup.