To reduce the occurrence of noise and vibration at the time of traveling.

In a rubber crawler provided with an endless rubber elastic body 1, steel cord rows embedded in the longitudinal direction of the rubber elastic body 1, and lug patterns 40 provided to the outer circumference, and provided with driving projections with a prescribed pitch on the inner circumferential side of the rubber elastic body 1 or driving core metals embedded in the rubber elastic body 1 with a fixed pitch; at least a part of lugs of the lug pattern 40 is not integer times of the pitch of the driving projections or the core metals.