Towerrunning World Association, the international governing body and global marketing network for the stair racing sport, has introduced a number of international championships and attractive national series worldwide, including the Towerrunning Tour 2016 which Swissôtel Vertical Marathon is proud to be part of. From now till 30 September 2016, Towerrunning World Association will offer invitations to six top-ranked international Towerrunning athletes and interested applicants may contact TWA President, Daniel Cecetka, at