The most recent edition of this event was on 11 February 2017.
The Colliers Coastal Challenge Tawharanui on Saturday, 9 May 2015 is part of the Coastal Challenge series.
There are multiple start locations with all events finishing next to the surf club at Omaha Beach.
The event options are:
- Beach Hopper - 7km Run / Walk (starts at Anchor Bay)
- Bay Scrambler - 10km Run / Walk (starts at Jones Bay)
- Mini Monty - 14km Run / Walk (starts at Jones Bay)
- Mid Monty - 23km Run (starts at Campbells Beach)
- Full Monty - 30km Run & Teams Relay Run (starts at Campbells Beach)