Cancer Staging. Staging is the process of finding out how much cancer is in a personâs body and where itâs located. Itâs how the doctor determines the stage of a personâs cancer. For most types of cancer, doctors use staging information to help plan treatment and to predict a personâs outlook (prognosis). Although each personâs situation is different, cancers with the same stage tend to have similar outlooks and are often treated the same way.
As the other answers, the distance of Boston marathon is 26.2 miles or 42.195 kilometers, just like all other marathon. But you need run really fast to be qualified to take part in Boston marathon, that will take a long time, that would be years long.
Boston Marathon Bombings: Race Day Turns Deadly. April 15, 2013, marked the 117th running of the Boston Marathon, the worldâs oldest annual marathon. The event is held on Patriotsâ Day, which commemorates the 1775 battles of Lexington and Concord that kicked off the American Revolutionary War.