Wellington, New Zealand · Saturday, April 25, 2026

Fixed Distance 100 mi

Fault Line Ultra 100mi

Race completed

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

41.2866° S, 174.7756° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 36 hours 13:25 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 67% of 100 mi races. Measured against 30 races of the same distance. Cut-off calculator →

Field size ~48 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 16°C

Night low 12°C

Rainfall Mostly dry

Daylight 10 h 36 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 71 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100mi	48	Simon McLean · 18:00:09	Mel Brandon · 22:14:18
2025	100mi	52	Simon Cochrane · 17:50:10	Samira Sultan-Rouse · 24:53:26
2024	100mi	65	Will Bell · 18:38:34	Erin Vaughan · 22:37:04

The field shrank 8% between 2025 (52) and 2026 (48). 17% of the 2026 field were women.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 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 161 km of trail.

Trail Running Shoes 161 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 161 km, without the bounce.
Headlamps A 36 h limit puts you out there after dark.
Accessories Chafe and blisters end more 161 km races than fitness does.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Spring Energy

Awesome Sauce

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

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

Darn Tough

Micro Crew Ultra Running

Merino wool trail running socks with lifetime warranty. Blister-resistant.

$23 ★★★★★ 4.7

All gear guides →

Overview

The Fault Line Ultra 100mi, organised by Barefoot Sport, is a 161km trail race in Wellington, New Zealand, taking place in April. With 48 finishers in its latest edition, it draws a larger field than 76% of 100-mile races.

Runners have 36 hours to complete the course, which translates to a 13.4 minutes per kilometer pace. This cut-off is more generous than 35% of 100-mile races. The course takes runners through trails from Kāpiti, the Hutt river trail, Belmont, Porirua, Karori and Wellington City.

Similar races

Other 100 mi trail ultras, closest in distance first.