Delirious West
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Event overview
Delirious WEST 200 & 100 Miler is a trail ultramarathon on the Bibbulmun Track from Northcliffe to Albany, Western Australia. The event runs across four days in April 2026 (8–12 April). Distances offered:
- 100 miles
- 200 miles
The event is also described in the race materials as 170 or 340 kilometres.
Entry, limits and fees
Entries open 9 May 2025 and close 15 March 2026 unless sold out. There is a maximum field of 200 entrants in total and a wait list will be used if the event sells out. Entry fees (examples from release periods): 200 miler from AUD 1,690 to AUD 1,890; 100 miler from AUD 699 to AUD 799. Payment plan options are available (example from AUD 250–300 per month). Refunds and rollovers are subject to the race manual.
Course, cutoffs and support
The 200 miler starts near Northcliffe and the 100 miler starts at the Treetop Walk. Finish line cutoffs are given as maximum elapsed times: 200 miler – 101 hours, 100 miler – 64 hours. Designated sleep stations have mandatory depart cutoffs (for example, Walpole 36 hours; Peaceful Bay 51 hours; Denmark Rec Centre 75 hours; Cosy Corner 94 hours for the 200 miler). There are 20 aid stations for the 200 miler and 10 for the 100 miler; stations provide water, Tailwind, cola and a range of sweet and savoury options. Drop bags are recommended for special dietary needs.
Mandatory equipment
Runners must carry mandatory items. Key requirements include the GPX file loaded in the Gaia Maps app, Bibbulmun Track maps, a mobile phone with event numbers, minimum 1.5 litres water, two headlamps with spare power, two power banks, a bivvy bag, a sealed waterproof jacket (minimum 10,000 waterproof rating), hi-vis vest, basic first aid items and specified AAA lithium batteries and tape to hand in at check-in. Visit the organization's website for the most recent information.