Kalendaryo ng Karera Silverstone Circuit 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 26 Hunyo - 27 Hunyo | Porsche Sprint Challenge Great Britain Natapos | Round 3 | |
| 26 Hunyo - 27 Hunyo | British GT Championship Natapos | Round 2 | |
| 16 Hulyo - 18 Hulyo | Porsche Supercup Natapos | Round 9 | Formula 1 Pirelli British Grand Prix 2021 |
| 16 Hulyo - 18 Hulyo | FIA Formula 2 Championship Natapos | Round 4 | |
| 16 Hulyo - 18 Hulyo | F1 British Grand Prix Natapos | Round 10 | Formula 1 Pirelli British Grand Prix 2021 |
| 8 Agosto - 8 Agosto | CALM Lahat Porsche Trophy Natapos | Round 4 | |
| 14 Agosto - 14 Agosto | Porsche Club Championship Natapos | Round 5 | |
| 14 Agosto - 14 Agosto | Porsche Club 911 Hamon Natapos | Round 4 | |
| 14 Agosto - 14 Agosto | Porsche Classic Boxster Cup Natapos | Round 5 | |
| 17 Setyembre - 19 Setyembre | Ferrari Challenge UK Natapos | Round 4 | |
| 25 Setyembre - 26 Setyembre | Porsche Carrera Cup Great Britain Natapos | Round 6 | |
| 25 Setyembre - 26 Setyembre | BTCC - British Touring Car Championship Natapos | Round 22 & 23 & 24 | |
| 22 Oktubre - 23 Oktubre | CALM Lahat Porsche Trophy Natapos | Round 6 | Birkett Relay 2021 |