Greytown, New Zealand · Saturday, November 21, 2026

Fixed Distance 100K

WAI2K 100K Ultra

66 days away
100 km Distance
5,000 m Climbing
10.0 Grit · Elite / extreme
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41.0783° S, 175.4602° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 50 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~20 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 16°C
Night low 9°C
Rainfall Mostly dry
Daylight 14 h 36 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 241 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail with 5,000 m of ascent.

  • Trail Running Shoes50 m of climb per kilometre — grip and rock protection before cushioning.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsPole attachment and chest-strap stability on steep ground.
  • Trekking Poles5,000 m of ascent to walk up.
  • Headlamps100 km almost certainly means running into the night.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5
All gear guides →

Course Notes

The WAI2K 100km course will take you on a journey of mental and physical challenges. There is around 4km of elevation over the course with a lot of vert in the first half of the run.

Similar races

Other 100K trail ultras, closest in distance first.