Kalendaryo ng Karera NRING Circuit 2015
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 13 June - 13 June | Porsche Sport Challenge Russia Natapos | Round 2 |
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 13 June - 13 June | Porsche Sport Challenge Russia Natapos | Round 2 |