Sonoma Raceway 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| April 30 - May 2 | Ferrari Challenge North America Finished | Round 3 | |
| July 10 - July 11 | Porsche Owners Club - Cup Racing Series Finished | Round 6 |
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| April 30 - May 2 | Ferrari Challenge North America Finished | Round 3 | |
| July 10 - July 11 | Porsche Owners Club - Cup Racing Series Finished | Round 6 |