A three-day standalone spectator event at Lime Rock Park, Aug. 6-8, completes the 2026 Radical Cup North America schedule.
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Radical Cup overrun with Primal entries for Barber
This weekend Radical Cup joins the NTT IndyCar Series for the first of three times this year at Barber Motorsports Park for the Children’s of Alabama Indy Grand Prix, May 1-4. The chance to star ...
It was a trip to the Alabama Rollercoaster and the Barber Motorsports Park for the second Radical Cup North America weekend of 2025. Taking on the picturesque Leeds, Alabama facility, Radical Cup ...
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