NON-PNEUMATIC TIRE

[Problem to be Solved] To achieve excellent wet performance. [Solution] A non-pneumatic tire 1 includes an annular tread ring 2, a hub part 3 that is arranged on a tire radial direction inner side of the tread ring 2, and multiple spokes 4 that connect the tread ring 2 and the hub part 3. The tread ring 2 has at least one groove 7 provided on a ground contact surface 5 side, the ground contact surface 5 being in contact with a road surface. The groove 7 includes a widened portion 12 formed by partially enlarging a groove width. A hole 13 that penetrates the tread ring 2 is formed in the widened portion 12.