Lionsgate has revealed the official trailer for the dystopian actioner The Long Walk [TLWLK] based on the Stephen King's first novel. 100 young men compete in an annual, televised contest where they must walk above 4 miles per hour without stopping. A walker get three warnings if he drops below this speed before he is shot and eliminated. The winner is the last person alive. The ensemble cast includes Cooper Hoffman, David Jonsson, Garrett Wareing, Tut Nuyot, Charlie Plummer, Ben Wang, Roman Griffin Davis and Jordan Gonzalez. Directed by Francis Lawrence [FLAWR], The Long Walk arrives in theaters on September 12th.