A glass run includes a main body portion attached to a channel portion DC provided along an inner periphery of a door frame and having an approximately U-shape in section, formed of a base bottom portion and an exterior sidewall portion and an interior sidewall portion extending from the base bottom portion and an exterior seal lip and an interior seal lip extending from almost front ends of the exterior sidewall portion and the interior sidewall portion to an inside of the main body portion. Moreover, for the glass run, by molding, integrally formed is an entire longitudinal area having a sectional shape having the main body portion and the interior and exterior seal lips and provided with an upper side portion corresponding to an upper edge portion of a door glass and a front vertical side portion and a rear vertical side portion corresponding to a front edge portion and a rear edge portion of the door glass.