An extension mechanism for a zip track system within a playground environment is provided. The extension system comprises a crossover unit configured to attach to a zip track. The crossover unit comprises a crossover arch, configured to couple to the zip track. The crossover unit also comprises a support pole configured to couple to an end of the crossover arch, such that the support pole does not obstruct a path of movement under the zip track. The extension mechanism also comprises a connection mechanism configured to connect the crossover unit 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.