There existed some kinds of events within the Toshiya, and among them, 'Oyakazu' is well-known, in which participants competed for the most number of arrows that could be shot through from the southern edge to the northern edge of the hallway during an entire day and night.
いくつかの種目があったが、一昼夜に南端から北端に射通した矢の数を競う「大矢数」が有名である。