The Pyramid of Khufu: Also known as "The Great Pyramid" or "The Pyramid of Giza", this was the original pyramid and the largest. In fact for almost 4,000 years it was the tallest building on Earth. It originally rose 146m, about the height of a modern 30-story building.
Here is some additional information that you might find interesting about this pyramid: The Pyramid of Khufu
This challenge is certainly not for everyone. Participants will jump right into some significant distances and will have a long stretch where they will need to run between 20-25km per day. In the winter. Hopefully you've got a warm toque! The total distance for this challenge is 518km for the month.