The sandwich running track is impermeable and its surface is comprised of graded, black SBR rubber granules mixing with single component polyurethane binder together.
The top surface layer is a composition of colored EPDM granules and similarly colored two-component polyurethane or spray special colorful spray-coot material mix with EPDM rubber.
The layout, track lines and event markings are in accordance with the latest edition of the IAAF rules and regulations.