The 29th Annual CF StairClimb is a vertical challenge held annually at 1201 Third Avenue in downtown Seattle. Over 400 climbers come together annually to raise money for the Cystic Fibrosis Foundation by climbing 56 vertical floors. The race to the top is celebrated with a Happy Landings party. Participation options include: full flight or 3-person relay. Registration includes: official timing report, happy landing party, a commemorative event shirt and more!