The race is held in the river valley of Lethbridge Alberta, Canada. One lap is 51 km with approximately 1,100 m (3,600 feet) of elevation incline and decline. Most of the hills are 150 – 250 feet and you traverse about 16 of those in one lap.

Here is the 51 km course:
You can download the gpx file from there.
Link to GPX file.