M size, heart shaped pumptrack is fun mixture of berms (curves) and rollers (bumps). The track is 47 meters long. Space needed for the track is 14 900 mm x 16 200 mm. All Lappset pumptracks are 1 meter high. Speeding on the M size pumptrack can be started anywhere on the track and different sections offers different lines and driving heights. Options can vary from easy to very difficult.