Collie River Ultra Marathon

Collie, Australia • 17 Sep 2026

CRU100 - Collie River Ultra

CRU100, labeled Collie River Ultra, is a multi-day trail running event held in Collie, Western Australia from 17 to 19 September 2027. The event is presented by Perth Trail Series and takes place on local trails around Collie.

Racing options include solo and team relay formats. Distances offered are listed below.

  • Relay team 80 km
  • Solo 50 km
  • Solo 100 km

The schedule spans three calendar days, indicating organized activity across multiple days. The format includes both individual solo entries and a team relay option, each following marked trail courses within the Collie area. Visit the organization's website for the most recent information.

Race information

100 km
Solo
80 km
Relay Team
50 km
Solo
Visit the organization's website for the most recent information.
Trail runs nearby

True Blue Ultra in Australind features multiple race distances on a certified 12.5 km lap along the Leschenault Inlet, with aid stations, facilities nearby, a 6 km kids race, and AURA approval.

Trail running in Collie, Western Australia with solo 100km, solo 50km and an 80km relay on the Wiilman Bilya Trail. Fully supported, marked courses with mandatory safety gear and multiple aid stations.

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