Mark Werrell, Dan Gibson, Katherine Yeates, Stephen Ayres and Tom Mallett in the #447 GMP Developments with QSP QuickCo run Citroen C1 trying to get past the Alan Middleton, Alexander Middleton, Tony Best and Charlie Jones-Best in the #479 Superleggera Racing Citroen C1 and Jonathan Simmonds, Gary Carpenter and Alan Maryan, Performance Preparation run Citroen C1 at Stowe on the Silverstone Grand Prix layout during the 2019 Trade Team Citroen C1 Challenge 24 Hour race at Silverstone.
