Kalendaryo ng Karera Autodromo Internacional de Curitiba 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 26 June - 27 June | Porsche Carrera Cup Brazil Natapos | Round 2 | |
| 26 June - 27 June | Porsche Sprint Challenge Brasil Natapos | Round 2 | |
| 11 September - 12 September | Porsche Carrera Cup Brazil Natapos | Round 4 | |
| 11 September - 12 September | Porsche Sprint Challenge Brasil Natapos | Round 4 |