 Complete the following phrase:  On the 28th of January 2018 GRT won the 24 Hours of Daytona in the GTD class, the opening race of the 2018 WeatherTech SportsCar Championship, with drivers Mirko Bortolotti, Rik Breukers, Rolf Ineichen and Franck Perera, a feat they repeated one year later by winning the 