FIA GT1 World Championship

The FIA GT1 World Championship was a world championship sports car racing series, developed by the SRO Group and regulated by the Fédération Internationale de l'Automobile (FIA), that was held from 2010 to 2012. It featured multiple grand tourer race cars—based on production road cars and conforming with the GT1 (2010–2011) and GT3 (2012) regulations—that competed in one-hour races on multiple continents.

Source: Wikipedia — FIA GT1 World Championship (CC BY-SA 4.0)