Kalendar Perlumbaan TT Litar Assen 2020
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 20 Ogos - 20 Ogos | Piala Lumba BMW Selesai | Round 1 | |
| 28 Ogos - 30 Ogos | Kelas Porsche RS Selesai | Round 3 | |
| 28 Ogos - 30 Ogos | Piala Porsche GT Selesai | Round 3 | |
| 28 Ogos - 30 Ogos | Piala Boxster Porsche Selesai | Round 3 | |
| 28 Ogos - 30 Ogos | Piala Porsche 944 Selesai | Round 3 | |
| 28 Ogos - 29 Ogos | Cabaran Bersejarah Kelab Porsche Selesai | Round 3 | RSG Racing Days |
| 4 September - 6 September | Trofi Ketahanan Porsche Benelux Selesai | Round 2 | |
| 4 September - 6 September | Sarjana Kereta Pelancongan Jerman Selesai | Round 4 | |
| 13 September - 13 September | Kelas Porsche RS Selesai | Round 4 | |
| 13 September - 13 September | Piala Porsche GT Selesai | Round 4 | |
| 13 September - 13 September | Piala Boxster Porsche Selesai | Round 4 | |
| 13 September - 13 September | Piala Porsche 944 Selesai | Round 4 |