The 6 Hour & 12 hour Ultimate Compound Challenge is in Tuerong, Victoria on Saturday, 11 May 2019.
It's a chance to see how many laps you can complete in 6 or 12 hours! Laps are on a 5km obstacle course with 30 obstacles.
Those who finish will get a unique medal to show they went the distance. (Note: to be a finisher, you must still be on the course at 10.30pm or have completed 3 Laps for the 6 hour, 5 laps for the 12 hour).