According to one embodiment a removable assembly provides for mounting of a hangboard including a first unit and at least a first bracket for connecting the hangboard to the first unit. The first unit may include a first member configured to be placed over a door opening on a fist side of a wall and a second member which can be positioned across the opening and against a second side of the wall. A third member is configured for attachment to the second member such that when the first member is placed over the opening and the second member is positioned against the second side of the wall, at least a portion of the third member is positioned above the second member. A related method provides a removable assembly for mounting of a hangboard. Numerous other embodiments are disclosed.