Tower running Tower running Tower running is a sport which involves running up tall man-made structures. Usually the races take place on the internal staircases of skyscrapers, but the term can cover any foot race which involves a course that ascends a man-made structure. Tower running races often take place at the world's tallest structures, including Taipei 101 (Taipei), Menara Tower (Kuala Lumpur), Willis Tower (Chicago), CN Tower (Toronto), Eiffel Tower (Paris) Eureka Tower (Melbourne), Swissotel (Singapore), Tower 42 (London), the Empire State Building (New York), the Bitexco Financial Tower (Ho Chi Minh City), and the Colpatria Tower (Colombia). Races are held
Eiffel Tower gaps in the latticework. In the years since it was completed, engineers have put forward various mathematical hypotheses in an attempt to explain the success of the design. The most recent, devised in 2004 after letters sent by Eiffel to the French Society of Civil Engineers in 1885 were translated into English, is described as a non-linear integral equation based on counteracting the wind pressure on any point of the tower with the tension between the construction elements at that point. The Eiffel Tower sways by up to 9 centimetres (3.5 in) in the wind. When originally built, the first