There is a world stair running circuit each year of the tallest buildings in the world. See http://www.verticalrunning.org/
Last weekend Australians Mark Bourne and Suzy Walsham were crowned world stair running champions after winning the final race in Hong Kong. See results at http://www.verticalrunhk.com/images/2013_RTI100_Results_Elite_Provisional.pdf
and race report with photos at http://www.verticalrunning.org/news
Men:
1 M Bourne (Aust) 12.04
2 D Wilson (Aust) 12.11
3 P Lobodzinksi (Poland) 12.24
4 T Dold (Germany) 12.41
Women:
1 S Walsham (Aust) 14.32
2 G Xue (China) 15.27
3 Y Ching (China) 15.51
4 M Moon (NZ) 15.59