Bridgestone Challenge - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 129 Photos Bridgestone Thunderbikes & Sub10 Superbikes - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 218 Photos SKF Pre-1966 Legends of the 9 Hour - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 267 Photos Midvaal Historics & Alfa Challenge - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 321 Photos Pre-1974 International Sports Prototypes - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 281 Photos Mopar SA Endurance Challenge - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 216 Photos Pits, People and Incidents - 2018-06-09 Event: Zwartkops Winter Challenge - 2018 Date: 2018-06-09 Place: Zwartkops Raceway 93 Photos Photographs in these galleries courtesy of: Share this...FacebookTwitterLinkedinPinterestStumbleUponDiggReddit