TIRE FOR MOTORCYCLE FOR RUNNING ON ROUGH TERRAIN

An object is to improve combined performance of traction performance and cornering performance in a tire for a motorcycle for running on rough terrain. The tire is a tire for a motorcycle for running on rough terrain, including a tread portion 2. The tread portion 2 includes a base surface 8 and a plurality of blocks 10 raised outward in a tire radial direction from the base surface 8. At least one of the plurality of blocks 10 includes a finned block 15. The finned block 15 includes a block main body 16 and at least two fin portions 17 having a smaller width in a tire axial direction than the block main body 16 and extending to one side in a tire circumferential direction. A projection 18 is provided between the two fin portions 17 on the base surface 8.