Ongoing Middle East tensions have reshaped the 2026 Formula 1 calendar, prompting cancellations of the Saudi Arabian Grand Prix and relocation of the Bahrain event to Malaysia’s Sepang circuit in October—the first Malaysian round since 2017. Imola dropped from the schedule while a new Madrid circuit debuted as the Spanish Grand Prix in September, alongside the retained Barcelona event. The Dutch Grand Prix at Zandvoort concludes its run after 2026. Uncertainty persists over the Qatar and Abu Dhabi finales scheduled for late November and December, with Imola positioned as a potential European replacement if hostilities continue. These geopolitical and logistical shifts directly influence which nations appear on the final roster.