2026 MICHELIN BULLETINS

ALL IMSA Series (IWSC, IMPC & VPRC)

Michelin Motorsport Communication #26-01: 11/19/25 2026 Tire Price 

Michelin Motorsport Communication #26-02: 1/14/26 Michelin All Hands for the Win Award 

Michelin Motorsport Communication #26-03: 1/14/26 Michelin Efficient Performance Award

Michelin Motorsport Communication #26-04: 1/14/26 Michelin Guide Champion Experience 

Michelin Motorsport Communication #26-05: 1/14/26 Michelin Pilot Challenge Moment of the Race 

Michelin Motorsport Communication #26-06: 1/21/26 Michelin Sustainability in Racing Award GTP

Michelin Motorsport Communication #26-07: 2/25/26 Competition Tire Service Policies for IMSA Sanctioned Events 

 

IMSA WEATHERTECH SPORTSCAR CHAMPIONSHIP

Michelin Bulletin IWSC #26-01 Revised: 10/1/25 2026 GTD & GTD PRO Tire Specification Change 

Michelin Bulletin IWSC #26-02: 10/22/25 IWSC GTD PRO & GTD Tire Usage Requirements - Daytona 

Michelin Bulletin IWSC #26-03 Revised: 4/8/26 2026 GTP Tire Specifications and Allocations

Michelin Bulletin IWSC #26-04: 12/10/25 2026 LMP2 Tire Specifications and Allocations

Michelin Bulletin IWSC #26-05 Revised: 4/8/26 2026 GTD PRO & GTD Tire Specifications and Allocations 

Michelin Bulletin IWSC #26-06: 12/17/25 IWSC LMP2 Tire Usage Requirements for Daytona 

Michelin Bulletin IWSC #26-07: 12/17/25 IWSC GTP Tire Usage Requirements for Daytona 

Michelin Bulletin IWSC #26-08: 2/11/26 IWSC GTD PRO & GTD Tire Usage Requirements - Low Energy Tracks

Michelin Bulletin IWSC #26-09: 2/26/26 IWSC LMP2 Tire Usage Requirements for Sebring 

Michelin Bulletin IWSC #26-10: 3/2/26 IWSC GTP Tire Usage Requirements for Sebring 

Michelin Bulletin IWSC #26-11: 3/25/26 IWSC GTD Pro & GTD Tire Usage Requirements - Street Circuits

Michelin Bulletin IWSC #26-12: 4/1/26 IWSC GTP Tire Usage Requirements for Long Beach and Detroit 

Michelin Bulletin IWSC #26-13: 4/22/26 IWSC GTP Tire Usage Requirements for Laguna Seca 

Michelin Bulletin IWSC #26-14: 5/6/26 IWSC GTD PRO & GTD Tire Usage Requirements - High Energy Tracks 

Michelin Bulletin IWSC #26-15: 5/6/26 IWSC LMP2 Tire Usage Requirements for WG, CTMP, Road America, & MRRA

Michelin Bulletin IWSC 26-16: 6/17/26 IWSC GTP Tire Usage Requirements for Watkins Glen 

 

IMSA MICHELIN PILOT CHALLENGE

Michelin Bulletin IMPC #26-01: 12/17/25 2026 Tire Specifications and Allocations

Michelin Bulletin IMPC #26-02: 12/17/25 GS Tire Usage Requirements - Daytona 

Michelin Bulletin IMPC #26-03: 12/17/25 TCR Tire Usage Requirements - All Tracks 

Michelin Bulletin IMPC #26-04: 12/17/26 Tire Fitments for IMSA Michelin Pilot Challenge 

Michelin Bulletin IMPC #26-05: 2/25/26 GS Tire Use Specifications - Non-Daytona

IMSA VP RACING SPORTSCAR CHALLENGE

Michelin Bulletin VPRC #26-01: 9/10/25 2026 GTDX Tire Specification Change

Michelin Bulletin VPRC #26-02: 12/17/25 VPRC GTDX Tire Usage Requirements - Daytona 

Michelin Bulletin VPRC #26-03: 12/17/25 LMP3 Tire Usage Requirements - Daytona 

Michelin Bulletin VPRC #26-04: 12/17/25 GSX Tire Usage Requirements - Daytona 

Michelin Bulletin VPRC #26-05: 1/7/26 Tire Fitments for IMSA VP Racing SportsCar Challenge

Michelin Bulletin VPRC #26-06: 1/7/26 2026 Tire Specifications and Allocations 

Michelin Bulletin VPRC #26-07: 2/11/26 GSX Tire Use Specifications - Non Daytona

Michelin Bulletin VPRC #26-08: 2/11/26 LMP3 Tire Usage Requirements - All tracks excluding Daytona

 


 

 

MUSTANG CHALLENGE

Michelin Bulletin FPMC #26-01: 6/11/26 FPMC Tire Usage Requirements - with Bank Track 

Michelin Bulletin FPMC #26-02: 2/11/26 FMPC Tire Usage Requirements - Non Bank Track

MAZDA MX-5 CUP

Michelin Bulletin MX5 #26-01: 1/15/26 Mazda MX-5 Tire Usage Requirements - Daytona

Michelin Bulletin MX5 #26-02: 2/10/26 Mazda MX-5 Tire Usage Requirements - Non Banking Tracks 

MICHELIN CONTINGENCY AWARDS

IWSC

2026 Michelin Contingency Program: Michelin All Hands For The Win Award: (GTP, LMP2, GTD PRO, GTD)

2026 Michelin Contingency Program: Michelin Efficient Performance Award (LMP2, GTD PRO, GTD)

IMPC

2026 Michelin Contingency Program: Michelin All Hands For The Win Award: (GTP, LMP2, GTD PRO, GTD)

2026 Michelin Contingency Program: Michelin Moment of the Race (GS, TCR)

VPRC

2026 Michelin Contingency Program: Michelin Guide Champion Experience (GSX, P3)

 


2025 Michelin Bulletins

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