In the year of the 25th anniversary of organized conquering of the CN-Tower on foot the event days will be from Oktober 25.-27. 2002. There are 155 pedestals with 1776 stairs to climb.

Information here

some "historical" facts:

since 1978, like New York

not for elites, but a massevent

1999,2000  : 7000 participants

2001 more than 8000 on all the days of the "Enbridge CN Tower Stair Climb for United Way"

more than 4000 on all the days of the "Canada Life CN Tower Climb for World Wildlife Found"