The course is set up as 5 legs ranging from 3.3-5.3 miles encompassing one 20mi loop(run 1x for 20mi, 2x for 40mi, 3x for 100k, 5x for 100mi)

The course switches directions each year running clockwise on odd years, and counterclockwise on even years.

There will be 2 indoor aid stations on the course which you will venture through multiple times. The Start/Finish no matter the direction is met two times per 20 miles. The second and largest of the aid stations is Sverdrup where both directions are seen 3 times per 20 miles.

In turn, you get 4 aid stations within each 20 miles.