Sport Junior drivers impress at championships 06/10/2017 Facebook Twitter Email PODIUM PERFORMANCE: Luke Winterfield navigates his way to third place in the Junior Production class at the Australian Motorkhana Championships at the Mount Gambier saleyards. Picture: CURTIS BOYD PODIUM PERFORMANCE: Luke Winterfield navigates his way to third place in the Junior Production classSubscribe or log in to read the rest of this content.