Decathlon – Milton Keynes – Opening Hours & Store Details Decathlon is situated in a convenient place in Central and Rooksley Retail Park on Patriot Drive, a 0.75 mile driving distance west of the centre of Milton Keynes, in Bradwell Common (near Loughton Valley Linear Park and National Badminton Centre). This store is situated in a convenient location to serve the people of Bradwell Common, Loughton, Milton Keynes Town Centre, Knowlhill, Rooksley, Two Mile Ash, Great Holm and Shenley Church End. Today (Friday), operating times start at 9:00 am and end at 8:00 pm. Please note the various sections on this page for specifics on Decathlon Milton Keynes, including the hours of opening, location info, email address and further information.