IMSA Officials have concluded their post-race review of the late-race collision from last weekend’s six-hour endurance round at Road America, issuing penalties to Porsche Penske Motorsport and driver Kevin Estre for their role in the incident with Jack Aitken in the #31 Whelen Cadillac.
Following a comprehensive review of the incident that took place during the Motul SportsCar Endurance Grand Prix on Sunday, Aug. 2, race officials penalized the #6 Porsche 963 and its driver under the 2026 IMSA Sporting Regulations:
