Kalendar Perlumbaan Antarabangsa Watkins Glen 2020
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 4 September - 6 September | IMSA SportsCar Championship Selesai | Round 15 | Sahlen's Six Hours of The Glen |
| 9 September - 13 September | Piala Porsche GT3 Piala Amerika Syarikat Selesai | Round 7 | |
| 2 Oktober - 4 Oktober | Lamborghini Super Trofeo Amerika Utara Selesai | Round 6 |