Treadmill a treadmill trainers and treadmills

The invention relates to a treadmill (2) of a running belt (1), wherein said belt (2) comprises a plurality of successively arranged blades (10), each blade (10) has a support (12) having a tread (17), wherein the carrier (12) receives a cover strip (15) detachably, wherein on the cover strip (15) of the tread (17) is arranged.