The riverfront of Alton, IL, will host the Alton Midwest Nationals Formula 1 (F1) Powerboat Championship races in 2025 and for the two years following, it was announced. The venue at Riverfront Park is located right across the river from the metropolitan area of St. Louis, MO.

Powerboat P1, the international marine motorsport promoter, has released plans for the launch of an innovative race series in 2025 featuring venues in Louisiana, Wisconsin and Florida. The P1 Offshore Triple Crown will see teams in the top five classes compete in two races in New Orleans, Sheboygan and St. Petersburg with a special prize fund on offer for the champions in each class over the six races.