Watkins Glen International 2018 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| June 28 - June 29 | Lamborghini Super Trofeo North America Finished | Round 2 | |
| June 28 - July 1 | IMSA SportsCar Championship Finished | Round 5 | Sahlen's Six Hours of The Glen |
| September 6 - September 9 | Porsche GT3 Cup Trophy USA Finished | Round 5 |