2025 COMPETITION BULLETINS

IMSA WEATHERTECH CHAMPIONSHIP

Comp Bulletin IWSC #25-01: 11/11/24 2024 IMSA WeatherTech Championship Sporting Regulations Publication

Comp Bulletin IWSC #25-02: 12/11/24 IMSA WeatherTech Championship Sporting Regulations Updates 

Comp Bulletin IWSC #25-03: 01/08/25 ROAR and Rolex 24 Event Driver Helmet and FHR Inspections 

 

 

IMSA MICHELIN PILOT CHALLENGE

Comp Bulletin IMPC #25-01: 11/13/24 2025 IMSA Michelin Pilot Challenge Sporting Regulations Publication 

Comp Bulletin IMPC #25-02: 12/11/24 IMSA Michelin Challenge Sporting Regulations Updates 

Comp Bulletin IMPC #25-03: 01/08/25 ROAR and Rolex 24 Event Driver Helmet and FHR Inspections 

IMSA VP RACING SPORTSCAR CHALLENGE

Comp Bulletin VPRC #25-01: 11/13/24 2025 IMSA VP Racing SportsCar Challenge Sporting Regulations Publication 

Comp Bulletin VPRC #25-02: 12/11/24 IMSA VP Racing SportsCar Challenge Sporting Regulations Updates

 

PORSCHE CARRERA CUP

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LAMBORGHINI SUPER TROFEO

 

MAZDA MX-5 Cup

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MUSTANG CHALLENGE

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2024 Competition Bulletins

 

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