It is easy to walk around in circles if you can’t see a distant landmark. It is also quite likely she followed the golden rule to stay put until someone finds you. It just took a very long time to be found because the official organized search was called off. I also don’t think she was able to walk much once her shoes fell apart.
There’s a huge landmark called the sun which amazingly rises in the east every single morning and sets in the west every single evening.
Look at a map and you’ll see how close the west side of the 8 mile looped trail is to neighborhoods. It takes effort to get lost there.
Her feet look remarkably swollen