The Lost Soul Ultra Marathon takes place the weekend following Labour Day in Lethbridge, Alberta. The 100 mile (33 hour cut-off) and 100 km (21 hour cut-off) events will start at 8:00 am Friday, September 8. The 50 km (11 hour cut-off) event starts at 7:00 am Saturday, September 9. The course runs on trails through the river valley coulees on public and private land. This event will see 320 ultra-marathoners race against each other, the elements, and the unrelenting hills.