Trail
100km
100 km
Start: 06:00 AM
Collie Ultra Marathon CRU100
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Trail in Australia, Collie
Distances
Trail
80km Relay
80 km
Start: 08:00 AM
Trail
50km
50 km
Start: 09:30 AM
About
The Collie Ultra Marathon (CRU100) is a trail running event in Collie, Western Australia, offering 100km, 50km, and an 80km relay on challenging jarrah, marri, and yarri forest trails with full-service race support.
Catering & aid stations
On-course aid stations provide food, water, and medical support. Specific catering details are available on the registration form.
Pacers
Pacemaker information will be provided for runners during the event, including target times per start wave and flagging on race day.
Results
View official resultsTypical weather in Collie
Monthly averages based on historical data (2000–present).
Jan28°17°
↑ 05:24
↓ 19:30
Feb28°18°
↑ 05:54
↓ 19:11
Mar26°17°
↑ 06:18
↓ 18:37
Apr23°15°
↑ 06:40
↓ 17:56
May20°13°
↑ 07:02
↓ 17:27
Jun17°11°
↑ 07:20
↓ 17:18
Jul16°10°
↑ 07:19
↓ 17:29
Aug16°10°
↑ 06:56
↓ 17:49
Sep17°11°
↑ 06:17
↓ 18:10
Oct20°12°
↑ 05:37
↓ 18:30
Nov23°14°
↑ 05:08
↓ 18:58
Dec26°16°
↑ 05:04
↓ 19:23
Last updated: Jun 5, 2026, 07:52:59 PM
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