The 2015 Bahrain GP2 Series round was a pair of motor races held on 18 and 19 April 2015 at the Bahrain International Circuit in Sakhir, Bahrain as part of the GP2 Series, it was the first round of which series that was the eleventh GP2 Series season, a championship for open-wheel racing cars run as a support series to the 2015 Formula One World Championship?
2015 GP2 Series The 2015 GP2 Series season was the eleventh GP2 Series season, a championship for open-wheel racing cars run as a support series to the 2015 Formula One World Championship. Twenty-six drivers representing thirteen teams raced over eleven rounds, starting in Bahrain on 18 April and finishing in Abu Dhabi on 29 November.
2015 Russian Grand Prix The 2015 Russian Grand Prix (formally known as the 2015 Formula 1 Russian Grand Prix; Russian: "Гран-при России 2015 года" ) was a Formula One motor race that took place on 11 October 2015. The fifty-three lap race was held at the Sochi Autodrom. This was the fifteenth round of the 2015 season and marked the second time that the Russian Grand Prix was run as a round of the Formula One World Championship since its inception in .