A glass run 20 includes a forked outer lip 26, wherein: one interval between a base root 25b and an intermediate part 25c of the inner lip 25 is swelled and curved toward an inner-cabin side wall 22 side and another interval between the intermediate part 25c and a top end 25a is swelled and curved toward an outer-cabin side wall 23 side; a displacement point 70 is on the connecting wall 24 side compared with a top end 26a of the outer-attaching lip 26Y of the outer lip 26; and the door glass 9 abuts the inner lip 25 and slidably moves toward the top end 25a side and an outer-cabin side surface of the door glass 9 abuts the outer-attaching lip 26Y and the inner-attaching lip 26X while an inner-cabin side surface of the door glass 9 abuts the inner lip 25.