Follow the New Zealand Cycle Racing Calender from these sites:-
http://www.roadcycling.co.nz/Events
http://www.bikenz.org.nz/Events/EventList.aspx?ID=745
http://www.cmcycling.co.nz/
http://www.cyclingnz.com/cnz5_events.php
http://www.nzroadcyclist.co.nz/events.php