A running board assembly accommodates access to a motor vehicle. The running board assembly includes a plurality of mounting brackets fixedly secured to the motor vehicle and extending therebelow. The running board assembly also includes a step movably secured to the plurality of brackets. The step defines a stepping surface and a peripheral edge extending around a portion of the stepping surface. The step is movable between a deployed position providing access to the stepping surface and a stowed position wherein the peripheral edge abuts the motor vehicle to cover the stepping surface during non-use.