| Races | 1 | 7 | 5 | 1 | 3 | 17 |
|---|---|---|---|---|---|---|
| Class | Northeast | Southeast | Southern Pacific | Central | Northern Pacific | Total Class Entries |
| AS | 1 | 4 | 0 | 0 | 0 | 5 |
| ASR | 0 | 2 | 1 | 0 | 0 | 3 |
| B-Spec | 2 | 12 | 0 | 2 | 0 | 16 |
| BIT | 22 | 0 | 0 | 0 | 0 | 22 |
| CF | 2 | 0 | 0 | 0 | 0 | 2 |
| EP | 2 | 15 | 0 | 2 | 0 | 19 |
| F3 | 0 | 0 | 0 | 0 | 3 | 3 |
| F4 | 0 | 0 | 0 | 0 | 6 | 6 |
| F6 | 2 | 1 | 0 | 3 | 0 | 6 |
| FA | 0 | 1 | 1 | 0 | 0 | 2 |
| FC | 2 | 9 | 11 | 0 | 0 | 22 |
| FE2 | 0 | 8 | 3 | 0 | 0 | 11 |
| FF | 0 | 3 | 2 | 4 | 0 | 9 |
| FFTS | 0 | 0 | 8 | 0 | 0 | 8 |
| FM | 0 | 0 | 0 | 0 | 3 | 3 |
| FP | 1 | 8 | 0 | 0 | 0 | 9 |
| FS | 0 | 1 | 0 | 0 | 0 | 1 |
| FV | 0 | 3 | 1 | 1 | 0 | 5 |
| FX | 0 | 1 | 0 | 0 | 0 | 1 |
| GT1 | 0 | 4 | 2 | 0 | 0 | 6 |
| GT2 | 5 | 8 | 1 | 1 | 0 | 15 |
| GT3 | 0 | 2 | 0 | 1 | 0 | 3 |
| GT3U | 0 | 1 | 0 | 0 | 2 | 3 |
| GTA | 0 | 10 | 0 | 0 | 0 | 10 |
| GTL | 0 | 9 | 0 | 0 | 0 | 9 |
| GTP | 2 | 0 | 0 | 0 | 0 | 2 |
| GTX | 0 | 7 | 1 | 0 | 0 | 8 |
| HP | 7 | 5 | 0 | 0 | 0 | 12 |
| IT7 | 0 | 1 | 0 | 0 | 0 | 1 |
| ITA | 8 | 28 | 0 | 5 | 7 | 48 |
| ITB | 4 | 6 | 0 | 1 | 1 | 12 |
| ITC | 0 | 3 | 0 | 0 | 0 | 3 |
| ITE | 1 | 0 | 2 | 0 | 0 | 3 |
| ITE1 | 0 | 0 | 0 | 1 | 0 | 1 |
| ITEZ | 0 | 5 | 0 | 0 | 0 | 5 |
| ITJ | 0 | 0 | 0 | 3 | 0 | 3 |
| ITO | 0 | 5 | 0 | 0 | 0 | 5 |
| ITR | 0 | 10 | 0 | 0 | 0 | 10 |
| ITS | 3 | 32 | 0 | 3 | 3 | 41 |
| ITX | 0 | 0 | 0 | 0 | 4 | 4 |
| LC | 1 | 0 | 0 | 1 | 0 | 2 |
| P | 0 | 3 | 3 | 0 | 2 | 8 |
| P2 | 2 | 5 | 3 | 0 | 0 | 10 |
| R1 | 0 | 1 | 0 | 0 | 0 | 1 |
| R2 | 0 | 1 | 0 | 0 | 0 | 1 |
| S2 | 0 | 0 | 0 | 1 | 0 | 1 |
| SC | 0 | 17 | 0 | 0 | 0 | 17 |
| SM | 31 | 56 | 14 | 26 | 2 | 129 |
| SMG | 0 | 0 | 0 | 0 | 2 | 2 |
| SMSE | 0 | 11 | 0 | 0 | 0 | 11 |
| SMSET | 0 | 1 | 0 | 0 | 0 | 1 |
| SMT | 0 | 8 | 1 | 2 | 24 | 35 |
| SMX | 0 | 6 | 1 | 1 | 0 | 8 |
| SP | 0 | 0 | 2 | 0 | 0 | 2 |
| SPO | 1 | 14 | 0 | 0 | 0 | 15 |
| SPU | 1 | 9 | 0 | 0 | 0 | 10 |
| SR1 | 0 | 1 | 0 | 0 | 0 | 1 |
| SRF | 0 | 3 | 0 | 4 | 0 | 7 |
| SRF3 | 14 | 42 | 10 | 13 | 21 | 100 |
| SSM | 21 | 3 | 0 | 0 | 5 | 29 |
| STL | 9 | 19 | 3 | 1 | 2 | 34 |
| STU | 1 | 14 | 4 | 3 | 5 | 27 |
| T1 | 2 | 3 | 0 | 1 | 0 | 6 |
| T2 | 4 | 2 | 0 | 4 | 0 | 10 |
| T3 | 1 | 8 | 1 | 4 | 0 | 14 |
| T4 | 4 | 12 | 3 | 2 | 0 | 21 |
| TC | 0 | 0 | 11 | 0 | 0 | 11 |
| USTCC | 3 | 0 | 0 | 0 | 0 | 3 |
| VIN | 0 | 0 | 4 | 0 | 0 | 4 |
| Total (Average) | 159 (159) | 443 (63.3) | 93 (18.6) | 90 (90) | 92 (30.7) | 877 (51.6) |