WTF – Course Information – 100 miles

2022 Pre-race email #1

Start Location & Time

The 100 mile event starts at 6am, Saturday 25, 2021, from Nanga Bush Camp, a 10 minute drive south from Dwellingup.

Dwellingup is an approximately 80min drive south from Perth CBD, and runners should aim to be at the start no later than 5.20am.

Accommodation will be available at Nanga Bush Camp for Friday night before the race, and Saturday/Sunday night after the race.

Bibs & Race Briefing

Bibs will be available for collection, per email advice ahead of race.  Your options will probably be:

  • in the days before the event from the event sponsor (Runningworks, located in Hilton),
  • from the “race headquarters”, Nanga Bush Camp, between 7-8.30pm on Friday night,
  • at the start line from 5.20am.

A race briefing will be given ten minutes before the race commences.


Runners and crew are encouraged to stay at the Nanga Bush Camp.  More details will be available soon.

UTMB Points

The 2019 100mi event was awarded 5 UTMB points; no application has been submitted to ITRA/UTBM for the 2020 event at this stage — if you have an interest in obtaining points, please contact David.

General Information

Course overview showing main aid locations and trail, click on map or here to load Caltopo mapping site.

  • The first 80km:
    • start and finish is at Nanga Bush Camp (NBC)
    • head south-west (that’s left on the map) to Nanga Brook Road @ 19km
    • turn around at Nanga Brook Road & return to NBC
    • pass through NBC (aid station) @ 38km then head south-east (that’s right on the map) to Nanga Rd
    • turn around at Nanga Rd @ 60km and return to aid station at start/finish at NBC @ 82km
  • The second 82 km (is the same as the first):
    • head south-west (that’s left on the map) to Nanga Brook Road @ 101km
    • turn around at Nanga Brook Road & return to NBC
    • pass through NBC (aid station) @ 120km then head south-east (that’s right on the map) to Nanga Rd
    • turn around at Nanga Rd @ 142km and return to finish line at NBC
    • celebrate — you’ve just completed 100mi ( (164km)!
  • the 100mi and 50mi races start at the same time, and follow the same course, so you’ll probably see the 50 mile runners a fair bit
  • there’s a bit more elevation on the course this year than in the last several years
  • there’s a variety of single track, fire trail, power-lines and mixed-use mountain bike trail
  • it’ll be very different to the last few years!
  • the cutoff is 36 hours. You’ve got heaps of time to get it done.

Drop Bags

100 Mile Runners will be able to drop off supplies for the aid stations. There will be tubs for this available the night before at Nanga Bush Camp (from 7pm-8.30pm) and in the morning before the race commences.

Label your drop bags for

  • Bag #1 – Nanga Brook Road – 19km & 101km
  • Bag #2 – Nanga Bush Camp – 38km, 82km & 120km
  • Bag # 3 – Nanga Rd – 60km & 142km

Ensure that your drop bags are labelled clearly with your name, race number, and the name of the aid station (we’ll provide more information soon on the number and names of aid stations!)

Outside Support and Pacing

Support can only be provided at the listed aid stations:

  • Nanga Brook Road (19km & 101km)
  • Nanaga Bush Camp (38km, 82km & 120km)
  • Nanga Rd (60km & 142km)

Your own support crew can provide unlimited assistance at each of the aid stations, however we request no assistance outside of the aid stations in fairness to those without a crew.

Maps for crew will be provided closer to the event date, however you can see from the image above that the aid stations are easily connected by roads, and navigation will be quite straight forward.

Pacing is permitted from the half-way point (82km). Runners may use one or multiple pacers, but only one at a time.  Pacers are discouraged from “muling” (aka carrying supplies for the runner).

Mandatory Gear

It is a requirement that all runners carry a mobile phone throughout the race. Please be aware that reception is very patchy if not with the Telstra network.

Weather conditions can be variable at this time of year. Runners should bring gloves, a beanie, running tights or thermals and a jacket for night time and possible wet weather running. Runners will need to carry adequate nutrition supplies between aid stations.

There are long sections where runners will need to be self-sufficient between drink stations. This will mean runners will require at least 1 litre of water to be carried between aid stations. Slower runners will require more.

All runners will need to use a torch overnight, and should plan to collect the torch from a suitable aid station.

Bibs must be clearly visible at all times.

Entry Requirements

100 miles is a fairly long way so runners should have completed 100K in an official event previously before entering. Other endurance events such as a previous WTF 50 finish, Comrades and Ironman Triathlon will be given consideration as qualifiers. If in doubt, please contact the race directory before entering.


Visit the registration page here to enter (and to view a list of competitors).

WTF 100mi Buckle (sub 24h finish)

WTF 100mi Buckle (sub 24h finish)

Finshers medal and presentations

All finishers will receive a WTF finishers medal. Those finishing in under 24h will receive a commemorative belt buckle.

Presentations will be held at the finish line (Nanga Bush Camp) at around noon on Sunday.

GPX file etc

See the Routes & Maps page.