Ultra Running Hub Northcliffe, WA, Australia · Thursday, April 1, 2027
Delirious W.E.S.T. 100 Miler
Calculated from 172 km alone — the organiser has not published an elevation profile. Read 8.6 as a floor, not a verdict.
What the course asks
DUV results for the 2026 edition (172km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, April
Regional 2001-2020 average for April — NASA POWER, grid elevation 155 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 172km | 47 | Justin Mulhair · 24:32:04 | Bekka Staal · 32:25:37 |
| 2025 | 172km | 53 | Joel Gray · 20:57:01 | Camille Nicholls · 32:22:00 |
| 2024 | 172km | 32 | Warren Rolfe · 24:13:14 | Jen Millum · 30:06:41 |
| 2023 | 172km | 8 | Philip Gore · 21:21:35 | Natasha Sekulic · 39:09:59 |
| 2022 | 172km | 20 | Ally Willcox · 21:51:01 | Jen Millum · 23:44:58 |
The field shrank 11% between 2025 (53) and 2026 (47). 53% of the 2026 field were women.
DUV results for the 2026 edition (172km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
- nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 172 km of trail.
- Trail Running Shoes 172 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 172 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 172 km, without the bounce.
- Headlamps A 64 h limit puts you out there after dark.
- Accessories Chafe and blisters end more 172 km races than fitness does.
Overview
With a 64-hour time limit, this 172-kilometre point-to-point trail race offers a cut-off more generous than 98% of 100-mile peers, tighter than just 2%. That allowance requires an average pace of only 22.3 minutes per kilometre, giving runners immense flexibility to manage sleep and trail conditions without risking the clock.
Starting in Northcliffe, WA, the course follows the Bibbulmun Track across Western Australia to Albany. Organized by Ultra Series WA, the race features a field bigger than 65% of 100-mile events and smaller than 34%, seeing 47 finishers reach the coast in 2026.
Similar races
Other 100 mi trail ultras, closest in distance first.