IMSA Manuals & User Guides

2026 IMSA Sporting Regulations & Series Supplementary Regulations: Whelen Mazda MX-5 Cup

Sporting Regulations

Official 2026 sporting regulations and series supplementary rules for the Whelen Mazda MX-5 Cup presented by Michelin, sanctioned by IMSA. Covers competitor guidelines, event procedures, membership, technical rules, and conduct…

IMSA Sebring 12 Hours 2026: Official Schedule and Supplementary Regulations

Other (Event Schedule and Regulations)

Official schedule and supplementary regulations for the 74th Annual Mobil 1 Twelve Hours of Sebring, hosted by IMSA at Sebring International Raceway from March 18-21, 2026. Includes detailed timings for…

2026 IMSA VP Racing Sportscar Challenge GSX Technical Regulations

Technical Specification

Official technical regulations for the 2026 IMSA VP Racing Sportscar Challenge GSX class, detailing car specifications, safety requirements, and competition rules for participants.

Rolex 24 at Daytona: Pre-Event Inspection Schedule - January 21, 2026

guide

Official pre-event inspection schedule for the Rolex 24 at Daytona International Speedway, featuring GTP, LMP2, GTD PRO, and GTD classes. Includes times, car numbers, teams, and notes for Wednesday, January…

2026 IMSA Sporting Regulations & Series Supplementary Regulations

Sporting Regulations

Official 2026 Sporting and Series Supplementary Regulations for the IMSA VP Racing SportsCar Challenge, detailing rules for competitors, teams, and officials participating in events sanctioned by the International Motor Sports…

IMSA Diverse Driver Development Scholarship 2027-2028: Application Guide & Terms

guide

Official application instructions, terms, and conditions for the IMSA Diverse Driver Development Scholarship program for the 2027-2028 seasons. Learn eligibility, deadlines, and scholarship benefits.

Monterey SportsCar Championship Provisional Schedule and Supplementary Regulations

guide

Official provisional schedule and supplementary regulations for the Monterey SportsCar Championship event at WeatherTech Raceway Laguna Seca, May 1-3, 2026. Includes details for IMSA WeatherTech SportsCar Championship, IMSA Michelin Pilot…

Chevrolet Grand Prix 2026: IMSA Racing Schedule & Regulations | Canadian Tire Motorsport Park

guide

Official provisional schedule and supplementary regulations for the 2026 Chevrolet Grand Prix featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Mazda MX-5 Cup, and VP Racing SportsCar Challenge at Canadian…

Sahlen's Six Hours of the Glen 2026: Provisional Schedule and Supplementary Regulations

Event Guide

Official provisional schedule and supplementary regulations for Sahlen's Six Hours of the Glen, featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Lamborghini Super Trofeo, Porsche Carrera Cup North America, and…

2026 USAC Road Racing & IMSA Airbnb Endurance Challenge Schedule and Regulations - Sebring International Raceway

Event Guide and Schedule

Official schedule and supplementary regulations for the 2026 USAC Road Racing and IMSA Airbnb Endurance Challenge at Sebring International Raceway, March 6-8, 2026. Includes event information, track details, and participant…

2023 IMSA WeatherTech SportsCar Championship Sporting Regulations

manual

Official 2023 Sporting and Series Supplementary Regulations for the IMSA WeatherTech SportsCar Championship, detailing rules, procedures, and requirements for competitors. Includes information on membership, entries, safety, and competition conduct.

O'Reilly Auto Parts 4 Hours of Mid-Ohio 2025: Official Schedule & Regulations

Guide

Official schedule and supplementary regulations for the O'Reilly Auto Parts 4 Hours of Mid-Ohio, featuring IMSA Michelin Pilot Challenge, Mazda MX-5 Cup, and VP Racing SportsCar Challenge, June 6-8, 2025.