Run, Fat Boy, Run is a romantic comedy directed by David Schwimmer, written by Michael Ian Black and Simon Pegg, and starring Pegg, Dylan Moran, Thandie Newton and Hank Azaria, it was released on 7 September 2007.Five years ago Dennis Doyle (Simon Pegg) was about to marry Libby (Thandie Newton), his pregnant fiancée, before getting cold feet and running away during the preparation for the wedding and he's been going in circles ever since. When Dennis discovers that Libby has started seeing high-flying go-getter Whit (Hank Azaria), with their son, Jake, he realises it’s now or never. He finds out that Whit is running the London Nike Marathon and to prove himself to his doubting friends and, most importantly, Libby, he decides to run the race himself.
