Willow Springs Raceway 2027 Løbs Kalender
| Dato | Racerserie | Runde | Begivenhedsnavn |
|---|---|---|---|
| 15 maj - 16 maj | POC - Porsche Owners Club - Cup Racing Series | Round 4 | |
| 22 maj - 23 maj | NASA SO-CAL - NASA Southern California Region | Round 3 | |
| 11 september - 12 september | POC - Porsche Owners Club - Cup Racing Series | Round 6 | |
| 11 december - 12 december | POC - Porsche Owners Club - Cup Racing Series | Round 9 |