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Built on bad decisions in Boulder, CO.

Delirious WEST 100 Miler

Basic Listing
  1. Ultra Series Australia
  2. 2027 Edition

Tingle forest to Albany on the Bibbulmun Track, starting at nightfall

Explore the Course
Interactive map with aid stations, elevation & weather
DirectionsExplore
Registration OpensJune 11, 2026
DeadlineMarch 29, 2027
Register
All trail races in Australia→
April 01, 2027
Thursday 7:00pm GMT+8 start
Northcliffe, Western Australia
Australia
172.87 km
Point to Point Course
3,627 m
Elevation Gain
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Very Challenging
Experienced ultrarunners
Links
WebsiteFacebookYouTube
2019
Established
77%
Finish Rate

What Makes It Great

A point-to-point run from the Giants Trailhead near Tingledale to the Bibbulmun Track's Southern Terminus in Albany. The course leaves old-growth tingle forest for beaches, inlet sandbars and granite headlands on the Southern Ocean. It starts at 7 pm on Thursday and allows 64 hours.

Difficulty

Advanced
7/10

Experienced ultrarunners

Night Running
Technical Terrain
River Crossing
Variable Weather
Strict Cutoffs

Race Highlights

7 pm Thursday start
Runners head straight into the first night from the Giants Trailhead
Old-growth tingle forest
The course opens under the tall tingle canopy before reaching the coast
Jet ski inlet crossing
Irwin Inlet may need a jet ski ride; pay the ferry master with a hometown item
Monkey Rocks at night
The most technical section, extra-flagged after runners got lost here in the dark

Finish Awards

Finisher's medal
Given to every official finisher at the finish line.

Delirious WEST 100 Miler

Northcliffe, Western Australia, AustraliaApril 01, 2027

April 01, 2027

Delirious WEST 100 Miler is a point-to-point trail race in Northcliffe, Western Australia, Australia, held on April 01, 2027. The course covers 172.87 km, climbs 3,627 m, and has a 64h cutoff.

Course map for Delirious WEST 100 Miler
DistDistance172.87 km
GainElevation Gain3,627 m
LimitCutoff64 h
Night RunningRiver CrossingVariable WeatherStrict Cutoffs

Entry Timeline

Registration OpensJune 11, 2026
Registration DeadlineMarch 29, 2027
Race DayApril 01, 2027

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.
172.87 km
Distance
Point to Point
Route
64h
Cutoff Time
76 m
Average Elevation
3,627 m
Total Ascent
3,838 m
Total Descent
268 m
High Point
Explore Course
Course map for Delirious WEST 100 Miler
Launch Course Explorer

Aid Stations & Cutoffs

LocationkmElevationCutoffCrewPacersDrop bags
Giants Trailhead
Start
0.0240 m—
Crew
Conspicuous Cliffs
Aid Station
12.721 m—
Crew
Drop Bags
Peaceful Bay Sleep Station
Aid Station
28.410 m—
Crew
Drop Bags
Irwin Inlet Jet Ski Crossing
Checkpoint
32.40 m
22h5:00 PM +1
Boat Harbour Rd
Aid Station
46.77 m—
Drop Bags
Parry Beach
Aid Station
57.613 m—
Crew
Drop Bags
Denmark Sleep Station
Aid Station
84.012 m
36h7:00 AM +2
Crew
Pacers
Drop Bags
Nullaki
Aid Station
99.86 m—
Crew
Pacers
Drop Bags
Lowlands Beach
Aid Station
113.017 m—
Crew
Pacers
Drop Bags
Shelley Beach
Aid Station
130.222 m—
Drop Bags
Cosy Corner Sleep Station
Aid Station
138.627 m
53h12:00 AM +3
Crew
Pacers
Drop Bags
Mutton Bird
Landmark
143.828 m—
Shazza's Aid Station
Aid Station
157.599 m—
Crew
Pacers
Drop Bags
Bay View Water Station
Resource
165.36 m—
Southern Terminus, Albany
Finish
172.934 m
64h11:00 AM +3
Crew

Cutoffs and access rules come from the race’s published information and can change. Check the official race site before planning around them.

Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.

No on-site camping available

Crew Access Points

Pacer Rules

  • Pacers may start from the Denmark Sleep Station, one at a time, changing at crew-accessible aid stations.
  • Pacers carry the same mandatory gear as the runner, except maps and lithium batteries, plus their own food and water.
  • Pacers may not carry a runner's supplies or mandatory gear.
  • Pacers under 18 may join only from Shazza's Aid Station to the finish, unless event management approves it first.
  • A runner with a pacer must also have another support person.

Crew Rules

  • Crew may meet runners at crew-accessible aid stations, all reachable by 2WD.
  • No crew at Boat Harbour Rd, Shelley Beach or the Bay View water station.
Weather

April averages run 11 to 22°C at Northcliffe and 14 to 21°C at Albany. April rain averages 72 mm over 11 days at Northcliffe and 70 mm over 8 days at Albany.

Rain/Wet Conditions

April averages 8 to 11 rain days along the course.

Bushfire

The race is cancelled at an extreme or catastrophic fire danger level.

Required Gear

  • Mini first aid kit (Space blanket, crepe bandage 7.5 cm x 2.3 m, snake bandage 10 cm x 10.5 m, triangular bandage, 6 wound closure strips, 2 non-stick dressing pads, surgical gloves)
  • Water, minimum 2.5 L (Fill to this amount when leaving every aid station)
  • GPX file on watch or handheld GPS
  • Mobile phone (Must be on a Telstra or Telstra provider SIM)
  • Bibbulmun maps 7 and 8, or the course on the Gaia app
  • 2 headlamps
  • 2 battery packs (Minimum 10,000 mAh with 2 ports, plus cords)
  • Spare headlamp batteries (Or use the battery pack)
  • Hat
  • Hi-vis vest (2011 or 2024 AS/NZ standard, with compliance tags)
  • Thermal long sleeve top and long pants
  • Waterproof jacket (Seam sealed, rated to 10,000)
  • Whistle
  • Emergency bivvy
  • Hometown item for the Irwin Inlet ferry master
  • Stretch tape to hand in at check-in (2 m x 10 cm or 5 m x 10 cm roll)
  • 1 Hydralyte sachet to hand in at check-in (No other brand)
  • 4 AAA lithium batteries to hand in at check-in (In original packaging)

Race Reports

Bewildered: Just Half Delirious
2023

Videos from other Delirious WEST events

Video thumbnail: Delirious West Mandatory Gear
Delirious West Mandatory Gear
Delirious WEST 200 Miler
Ultra Series WA

Race reports from other Delirious WEST events

Race Report: Delirious WEST by Kevin MatthewsDelirious WEST 200 Miler
By Kevin Matthews
A 5th Delirious WESTDelirious WEST 200 Miler
By Glen Smetherham • 2023
Delirious W.E.S.T. 200 Miler by Aimee BrownDelirious WEST 200 Miler
By Aimee Brown • 2020

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Register•April 01, 2027