From there, the course follows Henderson and Gold Hill Roads back to the university campus.

In 2012 the course was modified slightly to include additional sections of trail and less road running.

[citation needed] The Equinox Relay is run concomitantly with the marathon along the same course by teams of three people.

It then descends following St. Patrick's Road, regaining the marathon course at the base of Ester Dome at approximately mile 9.

On May 20, 2016 an announcement that the ultramarathon event would be eliminated was published on the Equinox Marathon Facebook page.

The half marathon course had a total of 1035 ft of elevation gain and loss.