F1 Singapore Grand Prix extended for another four years to 2021

In this image made with a fisheye lens from the Swissotel The Stamford, the Singapore F1 Grand Prix's Marina Bay City Circuit is lit at dusk in Singapore, Thursday, Sept. 14, 2017. Other short odds to win are Lewis Hamilton (+162), Daniel Ricciardo (+700) and Max Verstappen (+700).

It will be extremely tough for India to find a way back on the ever-crowded F1 calendar with more countries showing interest in hosting the high-profile race.

"The Singapore Grand Prix is a signature Formula 1 race and therefore we are very pleased that it will continue to feature on the calendar for a further four years", Carey said. "With its global viewership and media coverage, the race has reinforced Singapore image as a vibrant and innovative city to a wide worldwide audience".

A heavy downpour hit the circuit with four hours before the scheduled start of the Grand Prix, with the rain delaying the supporting Porsche Supercup race due to track conditions being unsuitable for racing. There was just the one safety vehicle last season, with Hulkenburg crashing nearly immediately after lights out, but multiple safety auto periods combined with the possibility of rain this time around could mean that the race is timed out.

No driver has won more times in Singapore than Sebastien Vettel. He will be gunning for his first victory at the track this weekend.

The future of the race on the island nation was hotly contested over the past year amid declining attendance rates, but officials recently announced a four-year extension. "We had put ourselves at the disposal of the various parties to try and facilitate the best possible outcome for everyone". He is now sixth in the point standings and been retired in six different races this year.