2015 Singapore Grand Prix
| Race details | |||
|---|---|---|---|
| Race 13 of 19 in the 2015 Formula One season | |||
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| Date | 20 September 2015 | ||
| Official name | 2015 Formula 1 Singapore Airlines Singapore Grand Prix | ||
| Location |
Marina Bay Street Circuit Marina Bay, Singapore |
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| Course | Temporary street circuit | ||
| Course length | 5.065 km (3.147 mi) | ||
| Distance | 61 laps, 308.828 km (191.897 mi) | ||
| Weather | Dry 28–29 °C (82–84 °F) air temperature 34–36 °C (93–97 °F) track temperature 0.5 m/s (1.6 ft/s) wind from the west |
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| Attendance | 86,970 (3-day average) | ||
| Pole position | |||
| Driver | Ferrari | ||
| Time | 1:43.885 | ||
| Fastest lap | |||
| Driver |
 Daniel Ricciardo
|
Red Bull Racing-Renault | |
| Time | 1:50.041 on lap 52 | ||
| Podium | |||
| First | Ferrari | ||
| Second | Red Bull Racing-Renault | ||
| Third | Ferrari | ||
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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 2015 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 Ferrari's Sebastian Vettel. Mercedes came into the race leading the Constructors' Championship by 181 points ahead of Ferrari, with Williams a further 82 points back in third place.
Vettel won the race from pole position, ahead of Red Bull's Daniel Ricciardo in second and Vettel's Ferrari teammate Kimi Räikkönen in third. The Mercedes team struggled at Singapore; Lewis Hamilton recorded his first retirement of the season, while Nico Rosberg managed only fourth place, closing the gap in the championship to 41 points.
Coming to Singapore, Nico Rosberg was forced to change his power unit after his engine failure at the previous race in Italy. Using his fourth unit of the season, Rosberg was one power unit change away from a possible grid penalty.Alexander Rossi made his Formula One debut after signing a five-race deal to replace Roberto Merhi at Manor Marussia. Acting as race stewards at the Grand Prix were Garry Connelly from Australia and Vincenzo Spano from Venezuela, who assisted driver steward Martin Donnelly in his first appearance in this position since the 2014 Malaysian Grand Prix.Sauber brought a "heavily-updated car" to the Grand Prix, featuring a shorter nose and revised front and rear wings as well as a new engine cover and brake ducts.Toro Rosso also came to Singapore with new parts, bringing a revised front wing.Red Bull introduced a new component as well: Daniil Kvyat's car was equipped with new turning vanes installed to improve the airflow under the car and therefore create more downforce. The feature would be run by both cars at the following Japanese Grand Prix. Further updates included changes to the diffuser, rear wing, brake ducts and bodywork of the Force India VJM08B and modifications to the floor in front of the rear wheels of the Ferrari SF15-T.
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