Hutt River Trail events 19 Jan 2013 including Ultra (60K), Full, Half and 10K. Staggered starts along the valley, all ending at Petone Beach.
Slightly more details here: http://www.runningcalendar.co.nz/hutt-river-trail-events/ including entry forms you can email in...
I'm just doing the half. Likely starter for the Ultra in 2014 ;-)
Any other takers?