2015 Singapore Grand Prix 2015 Singapore Grand Prix The 2015 Singapore Grand Prix (formally known as the 2015 Formula 1 Singapore Airlines Singapore Grand Prix) was a Formula One motor race held on 20 September 2015 at the Marina Bay Street Circuit in Marina Bay, Singapore. The race was the thirteenth round of the season. It was the eighth time the race was run as a round of the Formula One World Championship. Defending race winner Lewis Hamilton of Mercedes entered as the leader in the World Drivers' Championship with 252 points, 53 points ahead of teammate Nico Rosberg and 74 points ahead of
2015 United States Grand Prix 2015 United States Grand Prix The 2015 United States Grand Prix (formally known as the 2015 Formula 1 United States Grand Prix) was a Formula One motor race that took place on 25 October 2015. The race was contested over fifty-six laps and held at the Circuit of the Americas. It was the sixteenth round of the 2015 season and marked the thirty-seventh time that the United States Grand Prix was run as a round of the World Championship since its inception in , and the fourth time that the event was hosted at this circuit. Lewis Hamilton was the