 Basic indoor venues may be adapted <unk> , which can easily accommodate high jump competitions and short track events . Full @-@ size indoor arenas ( i.e. those fully equipped to host all events for the World Indoor Championships ) bear similarities with their outdoor equivalents . Typically , a central area is surrounded by a 200 @-@ metre oval track with four to eight lanes . The track can be banked at the turns to allow athletes to run around the radius more comfortably . There is also a second running track going straight across the field area , parallel to the <unk> of the main circuit . This track is used for the 60 metres and 60 metres hurdles events , which are held almost exclusively indoors . 
