A mounting rack for mounting a ladder to a pickup truck. The pickup truck has a pickup truck bed defining a passenger side wall, a driver side wall, a front end side, and a tailgate side. The mounting rack includes a first mounting structure configured to support a first end of the ladder and a second mounting structure moveable between a storage position and an operating position. The second mounting structure is configured to support a second end of the ladder when in the operating position and abut the first mounting structure when in the storage position. The mounting rack also includes a first docking assembly configured to affix the second mounting structure to the passenger side wall and the driver side wall on the tailgate side of the pick-up truck bed when the second mounting structure is in the operating position, and a second docking assembly.