A mobile support (1) is disclosed for supporting a wire-shaped terrain demarcation on the ground, having a plurality of segments (3) rotatable about an axis (centre of hub (6)). Each segment comprises a spoke (4) having a free end, wherein at least one segment (3) has a greater flexibility in an axial direction than in a direction tangential to the axial direction. A terrain demarcation system and an assembly comprising two such a mobile supports (1) is also disclosed.
