1996 First ascent of Open Air (5.15a/9a+), Schleierwasserfall / Austria, the most difficult sport route of its time. 1998 First Ascent of El Nino (5.13b), El Capitan, Yosemite 2001 First Ascent of Bellavista, (5.14b/8c), Cima Ovest, Dolomites, Italy 2002 Free Solo Ascent of the Direttissima (500m, 5.12a) of Cima Grande, Dolomites, Italy2004 Free Solo Ascent of the Kommunist (5.14a), Austria 2007 Speed Record on the Nose, El Capitan, Yosemite, CA, USA in 2:45:45, till 07/2008 2008 With an ascent of Torre Egger, Alexander finished the collection of the three Torres: Cerro Torre, Torre Egger and Cerro Standhardt, Patagonia 2008 First ascent of the west wall of Holtanna in Queen Maud Land, Antarctica, together with brother Alexander and Stephan Siegrist 2008 Ascent of Ulvetanna in Queen Maud Land, Antarctica, together with brother Alexander and Stephan Siegrist
2009 First Free Ascent with Thomas Huber of Eternal Flame, (5.13a), on Trango ("Nameless") Tower (6,239 m), Pakistan.