April
| 5-Apr |
| Darlington |
| NASCAR Xfinity Series |
| Foxborough |
| AMA Eastern Region 250 Supercross |
| AMA 450 Supercross |
| Tucson |
| ARCA Series West |
| 6-Apr |
| Birmingham |
| Moto America Superbike |
| Moto America Supersport |
| Moto America Twins Cup |
| Moto America Talent Cup |
| Catalunya |
| Porsche Carerra Cup France |
| Darlington |
| NASCAR Cup Series |
| Donington Park |
| TCR UK Touring Car Championship |
| British GT Championship |
| GB4 Championship |
| Manfeild |
| NZ FFord Championship |
| Misano |
| CIV Superbike |
| CIV Supersport 600NG |
| CIV Supersport 300 |
| CIV Moto3 |
| CIV Pre Moto3 |
| Otago Rally |
| New Zealand Rally Championship |
| Panama |
| NACAM F4 Championship |
| Rallye Sierra Morena |
| European Rally Championship |
| Phillip Island |
| GT World Challenge Australia |
| Porsche Sprint Challenge Australia |
| Riola Sardo |
| MXGP |
| MX2 |
| European EMX 125 |
| Sonoma |
| Porsche Sprint Challenge North America |
| Suzuka |
| Formula 1 World Championship |
| Velo Citta |
| Porsche Carrera Cup 4.0 Brasil |
Week 15
| 11-Apr |
| Bristol |
| NASCAR Truck Series |
| 12-Apr |
| Bristol |
| NASCAR Xfinity Series |
| Chihuahua |
| NASCAR Mexico Series |
| NASCAR Challenge Series (Mexico) |
| Long Beach |
| IMSA Sportscar GTP |
| IMSA SportscarmGT Daytona |
| Miami |
| Formula E World Championship |
| Philadelphia |
| AMA Eastern Region 250 Supercross |
| AMA Western Region 250 Supercross |
| AMA 450 Supercross |
| Severn Valley Stages Rally |
| British Rally Championship |
| 13-Apr |
| Appin |
| Australian ProMX Championship MX1 |
| Australian ProMX Championship MX2 |
| Australian ProMX Championship MX3 |
| Assen |
| Superbike World Championship |
| Supersport World Championship |
| Supersport 300 World Championship |
| World WCR |
| Northern Talent Cup |
| Bristol |
| NASCAR Cup Series |
| HSR Kyushu |
| All Japan IA1 Motocross |
| All Japan IA2 Motocross |
| Hungary |
| World Rallycross Championship |
| Las Vegas |
| NHRA Drag Racing Top Fuel Dragster |
| NHRA Drag Racing Top Fuel Funny Car |
| NHRA Drag Racing Pro Stock |
| Long Beach |
| IndyCar Series |
| Losail |
| MotoGP World Championship |
| Moto2 World Championship |
| Moto3 World Championship |
| Asia Talent Cup |
| Mugello |
| CIV National Trophy 600 |
| NOLA |
| USF Pro 2000 Championship |
| US F2000 National Championship |
| USF Juniors |
| Oakleigh |
| FIM MiniGP Australia Series – 190cc |
| FIM MiniGP Australia Series – 160cc |
| Okayama |
| Super GT Series (GT500 Class) |
| Super GT Series (GT300 Class) |
| Paul Ricard |
| GT World Challenge Europe Endurance |
| Pietramurata |
| MXGP |
| MX2 |
| European EMX 250 |
| European EMX 125 |
| Rally Regione Piemonte |
| Italian Rally Championship |
| Sakhir |
| Formula 1 World Championship |
| Formula 2 Championship |
| Formula 3 Championship |
| Sepang |
| GT World Challenge Asia |
| Taupo |
| Supercars Championship |
| TCR Australia Touring Car Series |
| Toyota 86 Championship NZ |
| Valencia |
| NASCAR Whelen EuroNASCAR Pro |
| NASCAR Whelen EuroNASCAR 2 |
| Winton |
| Australian FFord Championship |
Week 16
| 18-Apr |
| Rockingham |
| NASCAR Truck Series |
| 19-Apr |
| East Rutherford |
| AMA Eastern Region 250 Supercross |
| AMA 450 Supercross |
| Rockingham |
| NASCAR Xfinity Series |
| ARCA Series East |
| 20-Apr |
| Bathurst |
| National Trans Am Australia Series |
| Australian TA2 Muscle Car Series |
| Australian Prototype Series |
| Imola |
| World Endurance Hypercars |
| World Endurance LMGT3 |
| Porsche Carerra Cup Germany |
| Jeddah |
| Formula 1 World Championship |
| Formula 2 Championship |
| F1 Academy Series |
| Misiones |
| TCR South American Touring Car Series |
| Motegi |
| Super Formula |
| Porsche Carerra Cup Asia |
| MFJ JSB 1000 |
| Ningbo |
| F4 Chinese Championship |
| Shanghai |
| TCR China Touring Car Championship |
| 21-Apr |
| Frauenfeld |
| MXGP |
| MX2 |
| European EMX 250 |
| European EMX 125 |
| Nogaro |
| French F4 Championship |
Week 17
| 26-Apr |
| Abu Dhabi |
| Arenacross World Tour |
| Pittsburgh |
| AMA Eastern Region 250 Supercross |
| AMA 450 Supercross |
| Speyside Stages |
| Scottish Rally Championship |
| Talladega |
| NASCAR Xfinity Series |
| ARCA Racing Series |
| 27-Apr |
| Buriram |
| ARRC ASB 1000 |
| ARRC SuperSports 600cc |
| ARRC Production 250cc |
| Canary Islands |
| World Rally Championship |
| World Rally Championship-2 |
| Charlotte |
| NHRA Drag Racing Top Fuel Dragster |
| NHRA Drag Racing Top Fuel Funny Car |
| NHRA Drag Racing Pro Stock |
| NHRA Drag Racing Pro Stock Motorcycle |
| COTA |
| GT World Challenge America |
| TC America |
| Donington Park (N) |
| British Touring Car Championship |
| Porsche Carerra Cup Great Britain |
| Porsche Sprint Challenge Great Britain |
| F4 British Championship |
| Gillman |
| Australian ProMX Championship MX1 |
| Australian ProMX Championship MX2 |
| Australian ProMX Championship MX3 |
| Australian ProMX Championship MXW |
| Interlagos |
| Porsche Carrera Cup 4.0 Brasil |
| Jerez |
| MotoGP World Championship |
| Moto2 World Championship |
| Moto3 World Championship |
| Red Bull MotoGP Rookies Cup |
| Montearagon |
| Spanish Elite-MX1 Championship |
| Spanish Elite-MX2 Championship |
| Montevarchi |
| Italian Prestige MX1 Elite Championship |
| Italian Prestige MX2 Elite Championship |
| Oschersleben |
| Deutsche Tourenwagen Masters |
| Padborg Park |
| TCR Denmark Touring Car Series |
| Nordic 4 |
| Portimao |
| TCR Europe Touring Car Series |
| International GT Open |
| Euroformula Open Championship |
| Silverstone |
| British GT Championship |
| GB3 Championship |
| GB4 Championship |
| Sonoma |
| Trans-Am Series TA1 |
| Trans-Am Series TA2 |
| Sugo |
| All Japan IA1 Motocross |
| All Japan IA2 Motocross |
| Talladega |
| NASCAR Cup Series |
| Taupo |
| NZ FFord Championship |
