An alleged leak of the NASCAR 2025 Cup Series schedule has surfaced, shared initially by NASCAR Latino before being retracted, prompting NASCAR officials to claim that it is 'not entirely accurate'. The leak suggests significant changes, including the Clash at Bowman Gray Stadium and a race in Mexico City, along with playoff additions like Gateway and Darlington. Meanwhile, NASCAR is currently at Michigan International Speedway for the FireKeepers Casino 400, marking the 107th event at the venue, with only three races left before playoff time. In other motorsport news, MotoAmerica has revised its race schedule due to rain at Mid-Ohio, and IndyCar is set to return to the Milwaukee Mile in 2024 while dropping Texas Motor Speedway from the calendar. Lastly, the NASCAR Xfinity Series has also seen schedule changes, with Bristol Motor Speedway as the regular-season finale and Talladega returning for the playoffs.