A track segment for a vehicle, the vehicle comprising a plurality of wheels, the track segment comprising: a segment body made of reinforced elastomeric material and having an outer ground-engaging surface (200, 700), an inner wheel-engaging surface (300, 800), a first lateral edge (270, 770), a second lateral edge (280, 780), a rst extremity (250, 750) and a second extremity (260, 760), said segment body comprising a plurality of longitudinally extending sections having regular pitch sections wherein each pitch section has a pitch length, characterized in that each of said sections comprising: on said inner wheel-engaging surface (300, 800), laterally spaced apart guide lugs (320, 820) and/or drive lugs (330, 830), and, on said outer ground-engaging surface (200, 700), at least one traction lug (220, 720), each of said sections being attached to at least one adjoining section by a flexible portion devoid of said drive lugs (330, 830), guide lugs (320, 820) and traction lugs (220, 720), said sections comprising a first extreme section (255, 755) located at said first extremity and comprising a first joint element (402, 902), and a second extreme section (265, 765) located at said second extremity and comprising a second joint element (401, 901), wherein said first extreme section (255, 755) has a first length (147, 647), said second extreme section (265, 765) has a second length (148, 648), said regular sections each has a third length (141, 641), and said flexible portions each has a fourth length (138, 638), wherein the first extreme section (255, 755) and the second extreme section (265, 765) have an extreme pitch length longer than the pitch length of the regular sections. a segment body made of reinforced elastomeric material and having an outer ground-engaging surface (200, 700), an inner wheel-engaging surface (300, 800), a first lateral edge (270, 770), a second lateral edge (280, 780), a rst extremity (250, 750) and a second extremity (260, 760), said segment body comprising a plurality of longitudinally extending sections having regular pitch sections wherein each pitch section has a pitch length, characterized in that each of said sections comprising: on said inner wheel-engaging surface (300, 800), laterally spaced apart guide lugs (320, 820) and/or drive lugs (330, 830), and, on said outer ground-engaging surface (200, 700), at least one traction lug (220, 720), on said inner wheel-engaging surface (300, 800), laterally spaced apart guide lugs (320, 820) and/or drive lugs (330, 830), and, on said outer ground-engaging surface (200, 700), at least one traction lug (220, 720), each of said sections being attached to at least one adjoining section by a flexible portion devoid of said drive lugs (330, 830), guide lugs (320, 820) and traction lugs (220, 720), said sections comprising a first extreme section (255, 755) located at said first extremity and comprising a first joint element (402, 902), and a second extreme section (265, 765) located at said second extremity and comprising a second joint element (401, 901), a first extreme section (255, 755) located at said first extremity and comprising a first joint element (402, 902), and a second extreme section (265, 765) located at said second extremity and comprising a second joint element (401, 901), wherein said first extreme section (255, 755) has a first length (147, 647), said second extreme section (265, 765) has a second length (148, 648), said regular sections each has a third length (141, 641), and said flexible portions each has a fourth length (138, 638), wherein the first extreme section (255, 755) and the second extreme section (265, 765) have an extreme pitch length longer than the pitch length of the regular sections.