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The Brief
How far can you run without crossing a “proper” road
whilst staying within a few hundred metres of a waterway
~ river, lagoon, ocean or stream,
and offering a variety of terrain to run on?
The Result
81kms of pure running magic
Rakahuri to South New Brighton
45m elevation gain
140m elevation loss
Fast, flat & fabulous
RiverSea Ultra ~ Where the tide determines the start time!!


14th November 2026
Stop Banks
Single Tracks
River views
Ocean Magic
Hard Packed beaches
Forest trails
A bit of everything
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Can you beat the incoming tide or will you have to take to the dunes?
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Solo or Tag Teams
Female, Male or Mixed
Solo - Full 81kms
2 Person Team - Leg 1: 36 kms Leg 2: 45kms
3 Person Team - Leg 1: 36kms Leg 2: 25kms Leg 3: 20kms
12kms - 24kms - 36kms - 48kms - 61kms - 67kms
6 Fully Stocked Aid Stations
2 with Drop Bag Zones
36kms & 61kms


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Toilets
Food
Fluids
Drop Bags
Menstrual Products
RiverSea Ultra - where the Rivers meet the Sea!

Are you krayzie enough?
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