24 Hours of Zolder
The 24 Hours of Zolder is a yearly sports car and touring car endurance race held at Circuit Zolder in Belgium.
The race was initially held in 1977, and has run every year except for 1988. In 1989 a GT car won for the first time, and the following year the race joined the calendar of the BBL Cup, which became the Carglass Cup in 1992. The 24 Hours became part of the Belcar championship in 1997, continuing to be the series' yearly endurance event.