King of the Chasm


New Zealand’s Hardest 4wd race

May 5th 2018

**********Limited to 15 vehicles**********

This is NOT for the faint hearted, this will test your truck and stamina to the limit!!

Based 20km south of Reefton, we will have the pits and scrutineering at the Clark river end of the track on private land
Everyone will drive to the Gray river where there will be a prologue race to determine the main race order.
The race will be from the Gray to the Clark, fastest off the front 5 min apart and expected to take about 2 hours (this track has been known to take two days)

We are using the “Mainland Winch Challenge” rule book

2 classes


  1. Manufacturers chassis and recognizable body back to B pillar
  2. No steering brakes
  3. No hydraulic steering (must have mechanical linkage)
  4. No 4wheel steering


  1. As long as the safety gear is there, anything goes

Entrys close midnight Tuesday 1st May

Open to 4×4 Events club members or 4wd association members only