The 2025 Radical Cup North America season expands its IndyCar presence with WeatherTech Raceway Laguna Seca joining as Round 4, bringing the total IndyCar-paired events to three for the season.

The series continues to strengthen its connection with IndyCar, featuring notable alumni including Jordan Missig, who recently secured a full-time Indy NXT position with Abel Motorsport, and Dale Coyne Racing's Toby Sowery. Other IndyCar connections include Sam Schmidt, Katherine Legge, Max Papis, and Graham Rahal, who operates a successful Radical Cup team.

The multi-class racing format includes:

• Platinum Class: Features 425hp Radical SR10 machines (1m22s lap times at Laguna Seca)
• Pro 1500 Class: Uses SR3 platform (sub-1m24s lap times)
• Pro 1340 Class: Uses SR3 platform (1m28s lap times)

2025 Season Schedule:

• Round 1: Sebring International Raceway (Feb. 27-March 2)
• Round 2: Barber Motorsports Park (May 1-4)
• Round 3: XPEL Grand Prix (June 19-22)
• Round 4: WeatherTech Raceway Laguna Seca (July 25-27)
• Round 5: Road Atlanta (Sept. 11-13)
• Season Finale: Lime Rock Park (Oct. 17-18)

The series has proven to be a successful pathway for drivers advancing to higher levels of motorsport, with alumni achieving success in various championships, including Le Mans winners Bijoy Garg (2024 LMP2 champion) and George Kurtz (2023 LMP2 Pro-Am champion).

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