A run-flat tire is provided at its side wall with a side reinforcing rubber layer having a substantially falcate cross section, and a side reinforcing cord layers extending inside and outside along a ply body of a carcass in a radial direction. A radially outer end of the side reinforcing cord layer is sandwiched and terminated between a belt layer and a ply body of the carcass. A radial inner end of the side reinforcing cord layer is terminated in the vicinity of the bead core.