“…Physical performance of national and international football referees has been previously presented in the literature (Da Silva, Fernandes & Fernandez, 2008;Di Salvo, Carmont, & Maffulli, 2011;Kizilet, 2011;Keller, Bizzini, Feddermann, Junge, & Dvorak, J., 2012;Mazaheri, Halabchi, Seif Barghi, & Mansournia, 2016;Yanci, Los, Grande, & Casajús, 2016;Castillo, Cámara, Castagna, & Yanci, 2017).…”