Michael Stephen clinched the 2017 Sasol Global Touring Car championship overall in his Engen Xtreme Audi at a sopping wet Zwartkops circuit. Picture: RacePics.co.za

Wet weather, hot racing at Zwartkops – Extreme Festival 25 November 2017

The Zwartkops Raceway near Pretoria hosted the final round of the 2017 Extreme Festival in wet conditions on Saturday, with constant rain adding to competitors’ usual challenges