A running rail (1) for a conveyor system, the running rail (1) having a cross-sectional profile comprising, at least three interconnected profiled portions which comprise a first profiled portion (2), laterally open to the outside, for receiving first rollers (32) of a carriage (30), a second profiled portion (3), laterally open to the outside, for receiving second rollers (33) of a carriage (30), a third profiled portion (4), open in the vertical direction, for receiving third rollers (34) of a carriage (1), wherein the first (2) and the second profiled portion (3) are mirror symmetrical to a vertical central plane (40) of the running rail (1).