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2019 COMPETITION BULLETINS


IMSA Weathertech Sportscar Championship

Comp Bulletin IWSC #19-01: 11/02/18 2019 IWSC Sporting Regulations Publication
Comp Bulletin IWSC #19-02: 11/02/18 2019 ROAR Before the Rolex 24 Qualifying

Comp Bulletin IWSC #19-03: 11/16/18 2019 IMSA-Specific Driver Ratings

Comp Bulletin IWSC #19-04: 12/07/18 IDEC Regulations & 2019 IMSA-Specific Driver Ratings 

Comp Bulletin IWSC #19-05: 12/13/18 Michelin Roller Tires

Comp Bulletin IWSC #19-06: 12/13/18 2019 Sporting Regulations Updates

Comp Bulletin IWSC #19-07: 01/03/19 2019 Sporting Regulations Updates   

Comp Bulletin IWSC #19-08: 01/16/19 2019 Sporting Regulations Updates

Comp Bulletin IWSC #19-09: 02/28/19 2019 Sporting Regulations Updates

Comp Bulletin IWSC #19-10: 04/24/19 2019 Sporting Regulations Updates
Comp Bulletin IWSC #19-11: 05/29/19 2019 Sporting Regulations Updates

Comp Bulletin IWSC #19-12: 06/19/19 2019 Sporting Regulations Updates, Tire Information

Comp Bulletin IWSC #19-13: 07/17/19 2019 Sporting Regulations Updates 

Comp Bulletin IWSC #19-14: 08/14/19 2019 Sporting Regulations Updates  

Comp Bulletin IWSC #19-15: 08/21/19 2019 IWSC Notification 

Comp Bulletin IWSC #19-16: 08/21/19 2019 Sporting Regulations Updates 

Comp Bulletin IWSC #19-17 09/12/19 WRLS Briefing Time Change

Comp Bulletin IWSC #19-18: 10/02/19 2020 IMSA Driver Evaluation Committee (IDEC) Regulations 


IMSA MICHELIN PILOT CHALLENGE 

Comp Bulletin IMPC #19-01: 11/02/18 2019 IMPC Sporting Regulations Publication
Comp Bulletin IMPC #19-02: 12/13/18 Michelin Roller Tires 

Comp Bulletin IMPC #19-03: 12/13/18 2019 IMPC Sporting Regulations Updates  

Comp Bulletin IMPC #19-04: 01/03/19 2019 IMPC Sporting Regulations Updates 

Comp Bulletin IMPC #19-05: 01/16/19 2019 IMPC Sporting Regulations Updates 

Comp Bulletin IMPC #19-06: 02/28/19 2019 IMPC Sporting Regulations Updates 

Comp Bulletin IMPC #19-07: 06/19/19 2019 2019 Sporting Regulations Updates, Tire Information
Comp Bulletin IMPC #19-08: 07/17/19 2019 Sporting Regulations Updates, Tire Information

Comp Bulletin IMPC #19-09: 08/14/19 2019 Sporting Regulations Updates  

Comp Bulletin IMPC #19-10: 08/21/19 2019 IMPC Notification  

Comp Bulletin IMPC #19-11: 08/21/19 2019 Sporting Regulations Updates 


IMSA PROTOTYPE CHALLENGE

Comp Bulletin IPC #19-01: 11/02/18 2019 IPC Sporting Regulations Publication 

Comp Bulletin IPC #19-02: 11/14/18 2019 IPC Sporting Regulations Updates
Comp Bulletin IPC #19-03: 12/13/18 Michelin Roller Tires 

Comp Bulletin IPC #19-04: 12/13/18 2019 IPC Sporting Regulations Updates

Comp Bulletin IPC #19-05: 01/03/19 2019 IPC Sporting Regulations Updates  

Comp Bulletin IPC #19-06: 02/28/19 2019 IPC Sporting Regulations Updates  

Comp Bulletin IPC #19-07: 06/19/19 2019 Sporting Regulations Updates, Tire Information 

Comp Bulletin IPC #19-08: 07/17/19 2019 Sporting Regulations Updates 

Comp Bulletin IPC #19-09: 08/14/19 2019 Sporting Regulations Updates

Comp Bulletin IPC #19-10: 08/21/19 2019 IPC Notification  

Comp Bulletin IPC #19-11: 08/21/19 2019 Sporting Regulations Updates  

 

pORSCHE GT3 CUP CHALLENGE USA BY YOKOHAMA

Comp Bulletin GT3 USA #19-01: 11/02/18 2019 GT3 Cup Sporting Regulations Publication

Comp Bulletin GT3 USA #19-02: 12/12/18 2019 GT3 Cup Sporting Regulations Update

Comp Bulletin GT3 USA #19-03: 01/03/19 2019 GT3 Cup Sporting Regulations Updates 
Comp Bulletin GT3 USA #19-04: 02/06/19 2019 GT3 Cup Sporting Regulations Update

Comp Bulletin GT3 USA #19-05: 03/28/19 2019 GT3 Cup Sporting Regulations Update

Comp Bulletin GT3 USA #19-06: 04/03/19 2019 GT3 Cup Sporting Regulations Update 

Comp Bulletin GT3 USA #19-07: 04/24/19 2019 GT3 Cup Sporting Regulations Update 

Comp Bulletin GT3 USA #19-08: 05/10/19 2019 GT3 Cup Sporting Regulations Update

Comp Bulletin GT3 USA #19-09: 07/24/19 2019 GT3 USA - Road America Event Decal Requirements

Comp Bulletin GT3 USA #19-10: 07/24/19 2019 GT3 Cup Sporting Regulations Updates 

Comp Bulletin GT3 USA #19-11: 08/14/19 2019 GT3 Cup Sporting Regulations Updates  

Comp Bulletin GT3 USA #19-12: 08/21/19 2019 Porsche GT3 Cup USA Notification 

Comp Bulletin GT3 USA #19-13: 08/21/19 2019 GT3 Cup Sporting Regulations Updates 

Comp Bulletin GT3 USA #19-14: 08/29/19 2019 GT3 USA - Decal Requirements Updated

lamborghini super trofeo  

Comp Bulletin LST #19-01: 08/21/19 2019 LST Notification

MICHELIN IMSA SPORTSCAR ENCORE 

Comp Bulletin Encore #19-01: 10/21/19 Michelin IMSA SportsCar Encore at Sebring