New Zealand Supercars double-header delivers $21.4m boost for visitor economy Stuff‘Globally competitive city’: Mayor hails $31.2m Super Season NZ HeraldSupercars double header a roaring success despite storm cancellation Newstalk ZBSupercars fans spend $9.5m in Christchurch ODT2026 ITM NZ Double Header delivers $21.4 million in visitor spend Supercars
