Top view dimensions architectural truss display for Truss Start Line FL_13. Marathon and Triathlon Aluminum Truss Finish Line. 10″ wide Triangular Truss by edt exhibit and display truss and lds light design systems. hang sponsorship signs and banners and start and finish line signs on this finish line truss systems. dont settle for start and finish line rental, have your finish line system pay for itself with sponsorship banners. can be continuously reconfigured and expanded over time so will last a long time.