A rack system including a rail assembly, a leg assembly and a vehicle assembly is disclosed. The rail assembly includes load support rails secured to a roof of a vehicle. The load support rails receive legs therein. The legs extend towards a ground surface. The legs include a telescopic portion which extends until the vehicle roof is elevated off of the vehicle. The legs are defined by a top leg portion and a bottom leg portion that are interconnected with a hinge. Once the legs are extended enough to elevate the roof from the vehicle, the vehicle can be operated while the rack system is left self-standing and self-supported.