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2026 Alton Powerboat Nationals Tentative Schedule — IHRA F1 Powerboat Series event spanning Friday July 17 through Sunday July 19, 2026, listing testing sessions, qualifying heats, finals, and spectator activities for Formula 1, Formula Lights, and Tri Hull boat classes.
Long/descriptive version (for accessibility or detailed contexts):
Logo for the 2026 Alton Powerboat Nationals, IHRA F1 Powerboat Series, above a tentative schedule. Friday July 17: 2 Seater Promotional Rides (12–1pm), Formula 1 and Formula Lights testing sessions, Tri Hull Testing, and a City of Alton Drivers Meet & Greet Street Party (6:30–8:30pm). Saturday July 18: Vendor and food areas open 9am–5:30pm; Formula Lights and Formula 1 testing and qualifying; Opening Ceremonies at noon; Heat 1 and Heat 2 races for Formula 1, Tri Hull, and Formula Lights. Sunday July 19: Vendor and food areas open 9am–4:30pm; testing and promotional rides in the morning; Opening Ceremonies at 11:15am; Heat 3 races followed by Finals for Formula Lights (15 min.), Tri Hull (20 laps), and Formula 1 (17 min.); River Open at 4pm; Awards Presentation 4:30–5pm.
