The 24H Series is a sports car racing and touring car racing series developed by Creventic and with approval from the Fédération Internationale de l'Automobile (FIA). It features GT3-spec cars, GT4-spec cars, sports cars, touring cars and 24H-Specials, like silhouette cars. The calendar consists only of 24-hour and 12-hour races. 2015 was the first season with drivers battling for championship points and titles. It also marked the first season with official FIA International Series’ status.