The longer nights herald the start of the afterwork rogaine series with walk/run and mountain bike events. Check out the websites:
http://www.mapsport.co.nz/wellyrogs for info and enroll on the orienteering calendar found at http://www.maptalk.co.nz
It is cheaper to join the Hutt Valley Orienteering (OHV) Club to get the discount rogaine entry rates. All rogaines are run under the umbrella of OHV to cover public liability insurance.
Info is also published on the Ridgerunners Facebook page, but you still have to pre enroll on line as above.
A few club members go and it is a fun evening no matter what the weather is like. A good contrast to your nights in! A team of two or more is required unless you are well known to the organisers.