The current edition of this event is on 10 June 2018.
The Mt Vernon Grand Traverse on Sunday, 14 June 2015 is an 18km and 11km off road hill run, and kids 2km run organised by the Marlborough Harrier Club.
The Mt Vernon Grand Traverse is an 18km hill run up Mt Vernon following the boundaries of the Wither Hills Farm park. The Mt Vernon Fun Run/Walk follows a shorter 11km route, with a quick climb up to Mt Vernon then following the traverse route around down to the finish. The Kid's Challenge is a 2km out and back run along the Mapp Track, with plenty of smaller hills for smaller legs.