Michael Stuart Wainwright is a British racing driver and oil businessman who competes in the FIA World Endurance Championship for GR Racing.

The 2019 4 Hours of Shanghai was an endurance sportscar racing event held on 10 November 2019, as the third round of the 2019-20 FIA World Endurance Championship. This was the inaugural running of the race, in a four-hour format, having previously been run as the 6 Hours of Shanghai. The race was won overall by Bruno Senna, Gustavo Menezes, and Norman Nato, in the #1 Rebellion Racing Rebellion R13, with the race being the first win on the road for a non hybrid LMP1 since the first ever WEC race, the 2012 12 Hours of Sebring.