Racing games, namely, open-loop and closed-loop three-dimensional track assemblies formed in a variety of track configurations including a three-dimensional Christmas tree configuration, ceiling-suspended configurations and descending stair configurations including open track sections, tunnel track sections, rectangular or triangular track sections, single-lane track sections, dual-lane track sections, multiple-lane track sections, horizontal track sections, vertical track sections, S-curve track sections and connectors, horizontal and vertical turn connectors, musical track sections and connectors, jump track sections and connectors, loop track sections and connectors, ramp sections, lane-switch track sections and connectors, spiral track sections, horizontal-to-vertical track sections and connectors, vertical drop connectors, drop-catch connectors, magnetic-driven and motor-driven marble and spherical-object escalators, track sections formed from sheet materials, and free-standing and wall-mount track elevation supports for racing marbles and other spherical objects such as steel balls