Option 1. (Recommended) Add a directory to the friendly URL. For example, www.kinterathonevent.org/2014. Adding the 2014 directory will open up the original friendly URL to be applied to a new page.

1. Navigate to the Stand Alone Web page
2. Hover over the stand alone web page and select Properties
3.  Click Edit next to Friendly URL
4. Add a directory to the end of the friendly URL
5. Click Submit

Option 2.  Duplicate the original stand alone web page. Duplicating the page will remove the friendly URL.  Delete the original page with the friendly URL assigned.