When will the Tenderfeet finish?

That depends on you :-).

Normally, when you walk fluent and don’t make too many navigation errors, you will arrive Sunday morning.
When you arrive, jump in your sleeping bag in your tent and have a few hours of sleep.

There are time gates for every Check Point. The time gates will not be communicated.
Since you wil not wear a watch, knowing the time ports will not bring a lot of information :-).