An extendable step with a receiver assembly and a step assembly for a pickup truck is provided. The receiver assembly includes a receiver tube with an internal channel. The receiver tube is configured to attach to a hitch of a vehicle, such as a pick-up truck. The step assembly may include an elongated step tube that slidably engages with the receiver tube. A step plate is attached to the elongated step tube and a foot pedal is attached beneath the step plate and protrudes downward and away from the step plate. A user may place there foot onto the foot pedal and pull the step plate from a retracted position to an extended position In which the step plate extends from the receiver tube.