Kalendaryo ng Karera Watkins Glen International 2018
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 28 June - 29 June | Lamborghini Super Trofeo North America Natapos | Round 2 | |
| 28 June - 1 July | IMSA SportsCar Championship Natapos | Round 5 | Sahlen's Six Hours of The Glen |
| 6 September - 9 September | Porsche GT3 Cup Trophy USA Natapos | Round 5 |