Revisit boss battle by visiting your bed with in kokiri forest. You can use any of the weapons at your disposal. In game timer must be used. Timer starts when battle starts and stop when you step into the blue circle at the end of the battle. In game timer must be shown to show final time elapsed.

Nintendo 3DS - Legend of zelda ocarina of time 3d - Boss battle with king Dodongo, fastest time - 38.013 - Seth Tutti