RUN-FLAT TIRE

A run-flat tire (1) provided with a pair of bead portions (10) including at least bead cores (10a), a carcass (12), and reinforcing rubber layers (40) having a crescent cross-portion along with the tread width direction (W) and the tire diameter direction (D). The run-flat tire (1) is provided with side reinforcing layers (14) provided along the reinforcing rubber layers (40), and also with turned-back bead reinforcing layers (16) provided along the bead portions (10) and each turned back around the bead core (10a) from the inside to the outside in the tread width direction (W). The turned-back bead reinforcing layers (16) are each provided with a bead reinforcing layer main portion (16A) positioned inside the bead portion (10) in the tread width direction (W), and also with a turned-back portion (16B) communicating to the bead-reinforcing layer main portion (16A) and turned back around the bead core (10a) from the inside to the outside in the tread width direction (W).