number of stairs according to count by Towerrunning in 2005
if race start is at parking lot the number increases to 3663
with renovation there are a few modifications and recount would be necessary
The TWA is the only worldwide governing body for this kind of running discipline. Currently the Towerrunning World Association consists of the three presidium members and representatives of nine national associations. The organization is responsible for regulating and promoting stair races on a worldwide basis. The TWA backs the Towerrunning Tour uniting the most prestigious races worldwide and manages a worldwide ranking. World and Continental Championships are held too.