00:36 men's and women's sitting; 37:07 visually impaired and standingbr events The qualification round for the cross-country skiing sprintbr races started at 10am on 25 February, at the 2013 IPC Nordic Skiingbr World Championships. Women and men started in three categories each,br sitting, standing and visually impaired. The top 12 skiers in thebr sitting and standing categories and the top 8 skiers in the visuallybr impaired category qualified for the semi-finals.