Follow Mark Sisson as he loses over 25 pounds in 6 months at the age of 40 to run 26.2 miles. Understand Mark’s personal thoughts on why he decided to run his first Marathon at the age of 40; along with a daily diary of his training are featured in this book. This is an excellent book for the first time marathon or half marathon runner. It is like having a friend who shares the same goal of completing a marathon. Enjoy his personal thoughts and funny sense of humor as he explains his journey to the finish line of Grandmas Marathon in Duluth, Minnesota.