Participants are taking on more than 2,000 stairs to support patients and groundbreaking research at Shirley Ryan AbilityLab.CHICAGO (WLS) -- Participants are taking on more than 2,000 stairs to support patients and groundbreaking research at Shirley Ryan AbilityLab. This 18th year of the event benefits the Shirley Ryan AbilityLab, which helps people rehabilitate people from serious injuries.