Silverstone Circuit 1999 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| March 28 - March 28 | British GT Championship Finished | Round 1 | |
| July 11 - July 11 | British GT Championship Finished | Round 5 | |
| August 22 - August 22 | British GT Championship Finished | Round 7 | |
| October 10 - October 10 | British GT Championship Finished | Round 10 |