Italian F4: Costoya completes Misano hat-trick - three wins as Sammalisto and US Racing secure the titles Italian F4: Costoya completes Misano hat-trick - three wins as Sammalisto and US Racing secure the titles Bas Kaligis / Monday, September 21, 2026 0 41 Article rating: No rating Misano World Circuit - The sixth and penultimate ACI Racing Weekend of the season came to an end at Misano. The weekend crowned Luka Sammalisto as the 2026 Italian F4 Champion, while US Racing secured the Teams’ title for the season. Read more