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
IndyCar Grand Prix IndyCar Grand Prix The IndyCar Grand Prix is an IndyCar Series race at the Indianapolis Motor Speedway in Speedway, Indiana. The race takes place in early May on the combined road course at the Speedway. The inaugural running occurred in 2014. The race is run on a newer, modified layout of the circuit previously used for the Formula One United States Grand Prix, and later the Moto GP motorcycle event. The Grand Prix serves as a lead-in to the Indianapolis 500. Support races are held, including Indy Lights, Pro Mazda and U.S. F2000. From 2014 to 2016, the race was