Zip track systems and systems for extending zip track systems are provided. An extension mechanism for a zip track system illustratively comprises a crossover unit, configured to attach to a zip track. The crossover unit illustratively comprises a crossover arch and two crossover support poles, wherein each of the support poles connects to an end portion of the crossover arch such that the support poles are configured to stand perpendicular to the zip track. The extension system further illustratively comprises a connection mechanism configured to connect the crossover arch to the zip track system such that the crossover unit distributes the weight of the track through the crossover arch and the crossover support poles.