Mangahao release postponed February 11th, 2020 2004-10-31T21:09:00+13:00 The Mangahao release was postponed by King Country Energy yesterday (30 October 2004), after heavy rain in the early hours of the morning. A replacement release will be announced on this site when the date has been decided. The NZRCA apologises to those paddlers who didn’t hear of the postponement, and in the future notices will be posted here if the release is to be postponed or cancelled.