The competition was originally assigned to Nagano , Japan , and later moved to Tokyo , to be held from March 21 – 27 at the Yoyogi National Gymnasium with the Japan Skating Federation as the host organization . It was postponed in the wake of the 2011 Tōhoku earthquake and tsunami and later reassigned to Moscow , Russia
2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
2011 World Figure Skating Championships