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Collie River Ultra Marathon

Name: Collie River Ultra Marathon
Start: 2025-09-13
End: 2025-09-13
Location: Collie

Collie, Australia • 13 Sep 2025

CRU100 is a Western Australian trail race in Collie, part of the Perth Trail Series. The event offers Solo 100km, Solo 50km, and Relay 80km formats, starting near the Collie Cemetery and finishing at Collie Golf Club. Runners traverse the Wiilman Bilya Trail through jarrah, marri and yarri forests, crossing bridges and logs, with granite outcrops, river valley views, and seasonal wildflowers.

The race is fully supported with bus transfers to starts, multiple aid stations, clear course marking, and marshalled trails. It also features a friendly community vibe with a dedicated trail crew. Drop bags are available for 100km and 50km solos. Visit the organization's website for the most recent information.

Australia Collie

Race information

Website

100 km

Solo 100km

76 km

Relay 76km

50 km

Solo 50km

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Jan 17

True Blue Ultra

Australind - 41 km from Collie

...

True Blue Ultra runs in Australind, Western Australia, along Ridley Place Foreshore Park on Old Coast Road. Distances range from 12.5 km to 100 km (12.5 km laps for the longer events: 100 km as eight laps, 75 km six laps, 50 km four laps, 25 km two laps). The 12.5 km course is an out-and-back, with..