To improve reliability and durability.

An elastic crawler comprises a crawler body 1 formed of an elastic material and a metallic core 3. The crawler has lug units XL, XR respectively on the right and left sides of the center line CE in the width direction. The lug units XL, XR are composed of first to fourth wing parts 3L-1 to 3L-4, 3R-1 to 3R-4 arranged successively side by side in the belt longitudinal direction, and first and second lugs 4L, 5L and 4R, 5R formed by being arranged on the crawler body 1 successively side by side in the belt longitudinal direction. The first lugs are configured to be opposite to each other across the first to third wing parts adjacent to each other in the belt longitudinal direction while the second lugs are configured to be opposite to each other across the third and fourth wing parts adjacent to each other in the belt longitudinal direction. The first lugs are configured to be opposite to one corner part of the third wing part while the second lugs are configured to be opposite to the other corner part of the third wing part.