In the Under 24 category, Fabio Mazzolai #247 will be tasked with defending his 2016 Tuscan Champion title, while in the Supermoto category (formerly S1), Riccardo Lodigiani #822, the 2016 S2 champion, and Fabrizio Bartolini #110 will hit the track on the new 2017 Honda CRF 450.