The Lost Soul Ultra Marathon is an annual trail race in Lethbridge, Alberta, featuring distances of 50K, 100K, and 100 miles. The scenic course challenges runners with river valley coulees, significant elevation changes, and varied terrain including single-track trails, gravel roads, and shale paths.
The 100K serves as a Western States Endurance Run qualifier. Participants benefit from excellent volunteer support and well-placed aid stations providing food and beverages throughout the course.