On 12 February 2010, the day of the Olympic opening ceremonies, Georgian luger Nodar Kumaritashvili was killed during a training run while reportedly going . This resulted in the men's singles event being moved to the women's singles and men's doubles start house while both the women's singles and men's doubles event were moved to the junior start house. During actual luge competition at the 2010 Winter Olympics, there were only two crashes, which resulted in one withdrawal. Skeleton races on 18–19 February had no crashes though two skeleton racers were disqualified for technical reasons. Bobsleigh competitions had crashes during all three events. This resulted in supplemental training for both the two-woman and the four-man event following crashes during the two-man event. Modifications were made to the track after the two-man event to lessen the frequency of crashes as well. A 20-page report was released by the FIL to the International Olympic Committee (IOC) on 12 April 2010 and to the public on FIL's website on 19 April 2010 regarding Kumaritashvili's death. Safety concerns at Whistler affected the track design for the Sliding Center Sanki that was used for the 2014 Winter Olympics in Sochi. This included track simulation and mapping to reduce top speeds by for the Sochi track.