Skis for women must be at least long. For men, skis must be at least long. Women and men's skis need a least possible or recorded straight line from middle to edge circle turn of . Skiers used curved narrow ski poles for this event. Men and women both need their skis to have a straight line from middle to edge circle of . Top speed in this event can be up to an hour. Before the start of the race, the skier needs to do a practice run, and need to wear a helmet to keep safe during all their runs. 