Kalendaryo ng Karera Knockhill Racing Circuit 2015
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 22 August - 23 August | Porsche Carrera Cup Great Britain Natapos | Round 6 | |
| 22 August - 23 August | BTCC - British Touring Car Championship Natapos | Round 7 |