Five years earlier, nervous bridegroom Dennis (Simon Pegg) leaves his pregnant girlfriend, Libby (Thandie Newton), at the altar. Now he realizes he made a big mistake and wants to win her back. Unfortunately, Libby is involved with a handsome, attentive and fit financier (Hank Azaria), who plans to run in a charity marathon. Out-of-shape Dennis enters the race -- hoping to impress Libby -- even though he only has three weeks to prepare. Wikipedia
Five years earlier, nervous bridegroom Dennis (Simon Pegg) leaves his pregnant girlfriend, Libby (Thandie Newton), at the altar. Now he realizes he made a big mistake and wants to win her back. Unfortunately, Libby is involved with a handsome, attentive and fit financier (Hank Azaria), who plans to run in a charity marathon. Out-of-shape Dennis...