9/11 Grand Stair Challenge
no timing - stairs up and down - record 86 times
one of many events on and around Sep 11 to remember this day in 2001
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.