London Landmarks Half Marathon 2027 The London Landmarks Half Marathon is a closed road, central London run and is the only half marathon to go through both the City of London and City of Westminster. The 2027 event will take place on Sunday 4th April and wheelchair places are also available. Sign up The event is not your average half marathon! From cultural landmarks and heritage to the city's quirky and hidden secrets, runners get to explore the capital on a route like no other! Sign up Other running events How we help Manage Cookie Preferences