A riding device includes one or more cranks rotatably attached to a base, and a rider support supported on a carrier and movable relative to the base for supporting a rider, the carrier has a front portion for swinging relative to the base and a rear portion pivotally coupled to the cranks for moving cyclically relative to the base and for allowing the carrier to be moved in an elliptical and reciprocating action relative to the base by the crank device, and the rider support is supported on the carrier and moved in concert with the rider support for supporting the rider, and an actuating device may be used for actuating the carrier and the rider support to move relative to the base in an elliptical and reciprocating action.