Autosport Kalender
| 15-05 | USF2000 2021 | Indianapolis (R5-R6-R7) Indianapolis Racetrack |  |
| 15-05 | Indy Lights 2021 | Indianapolis (5 - 6) Indianapolis Racetrack | |
| 15-05 | Indy Pro 2000 2021 | Indianapolis (R5-R6-R7) Indianapolis Racetrack | |
| 16-05 | BTCC 2021 | BTCC Rd 4-5-6 Snetterton |  |
| 16-05 | ADAC GT4 Germany 2021 | ADAC GT4 Germany (Race 1-2) Motorsport Arena Oschersleben |  |
| 16-05 | Euroformula Open 2021 | Euroformula Open Paul Ricard |  |
| 16-05 | ADAC GT Masters 2021 | ADAC GT Masters Motorsport Arena Oschersleben | |
| 16-05 | ADAC Formula 4 2021 | ADAC Formel 4 Motorsport Arena Oschersleben | |
| 16-05 | Italian F4 Championship 2021 | Italian F4 Championship powered by Abarth (1-2-3) Paul Ricard | |
| 16-05 | ADAC TCR Germany 2021 | ADAC TCR Germany - Race 1 en 2 Motorsport Arena Oschersleben | |
| 16-05 | European Le Mans Series 2021 | 4 Hours of Red Bull Ring Red-Bull-Ring |  |
| 16-05 | International GT Open 2021 | International GT Open (Rd 2) Paul Ricard | |
| 16-05 | NASCAR Cup Series 2021 | Drydene 400 Dover International Speedway | |
| 16-05 | F4 British Championship 2021 | F4 British Championship (10-11-12) Oulton Park Island | |
| 16-05 | EuroNASCAR PRO - EuroNASCAR 2 - 2021 | 3-4 Nascar Whelen Italy (15-16 mei) Autodromo di Vallelunga |  |
| 21-05 | NTT IndyCar Series 2021 | Indianapolis 500 trainingen (18-19-20-21 mei) Indianapolis Motor Speedway | |
| 22-05 | Nascar Xfinity Series 2021 | NASCAR Xfinity Series Race at COTA Circuit of the Americas | |
| 23-05 | British GT 2021 | British GT (Rd5) Brands Hatch GP Circuit | |
| 23-05 | NASCAR Cup Series 2021 | NASCAR Cup Series Race at COTA Circuit of the Americas | |
| 23-05 | 24H Series 2021 | Ronde 4: Hankook 12H Hockenheimring (22-23 mei) Hockenheimring | |
| 23-05 | Porsche Sprint Trophy Benelux 2021 | Pinksterraces (1e Pinksterdag) Circuit Zandvoort |  |
| 23-05 | Belcar Endurance Championship 2021 | R2 - Hankook 12H Hockenheimring | |
| 23-05 | Formule 2 2021 | Round 2 (race 4-5-6) Monte Carlo Monaco |  |
| 23-05 | NTT IndyCar Series 2021 | Crown Royal Armed Forces Qualifying 1+2 (22-23 mei) Indianapolis Motor Speedway | |
| 23-05 | FIA Formula 1 Championship 2021 | GP Monaco Monte Carlo | |
| 23-05 | Supercar Challenge 2021 | Creventic 12H (21-22-23 mei) Hockenheimring | |
| 23-05 | Formula Regional European Championship 2021 | Monaco Grand Prix (R5-R6) Monaco | |
| 23-05 | BRDC British Formula 3 2021 | BRDC British Formula 3 Championship Brands Hatch GP Circuit | |
| 24-05 | NTT IndyCar Series 2021 | Indianapolis 500 training Indianapolis Motor Speedway | |
| 25-05 | DNRT 2021 | Sprint (geluid arm) Circuit Zolder |  |
| 28-05 | NTT IndyCar Series 2021 | Miller Lite Carb Day Indianapolis Motor Speedway | |
| 28-05 | Indy Pro 2000 2021 | Indianapolis (R8) Lucas Oil Raceway Park | |
| 28-05 | USF2000 2021 | Indianapolis (R8) Lucas Oil Raceway Park | |
| 29-05 | ACNN 2021 | Alle klassen Circuit Zandvoort | |
| 29-05 | Nascar Xfinity Series 2021 | Alsco Uniforms 300 Charlotte Motor Speedway | |
| 30-05 | NASCAR Cup Series 2021 | Coca-Cola 600 Charlotte Motor Speedway | |
| 30-05 | GT World Challenge Europe Endurance Cup 2021 | 1000 KM of Le Castellet Paul Ricard | |
| 30-05 | Formula Regional European Championship 2021 | GT World Endurance (R7-R8) Paul Ricard | |
| 30-05 | GT4 European Series 2021 | GT4 European Series (Rd 3-4) Paul Ricard | |
| 30-05 | Repco Supercars Championship 2021 | Winton SuperSprint Winton Raceway |  |