The International Motorsports Association, LLC (IMSA) is the premier sports car racing series in North America. The current sanctioning body was formed in 2013 due to a merger of Grand-Am Road Racing and the American Le Mans Series after being originally formed in 1969 and is celebrating its 50th Anniversary in 2019. 

The series features the involvement of 19 manufacturers including Acura, Alfa Romeo, AMG-Mercedes, Aston Martin, Audi, BMW, Cadillac, Chevrolet, Ferrari, Ford, Honda, Hyundai, Lamborghini, Lexus, Mazda, McLaren, Mini, Nissan and Porsche. 

The sanctioning body leads seven motorsport platforms including the WeatherTech SportsCar Championship, the premier sports car racing series in North America. It also sanctions the IMSA  Challenge and the IMSA Prototype Challenge Presented, as well as four one-make series: Porsche GT3 Cup Challenge USA by Yokohama; Porsche GT3 Cup Challenge Canada by Yokohama; Ferrari Challenge North America; and Lamborghini Super Trofeo North America.

The heart-thumping action of the WeatherTech SportsCar Championship takes place 12 weekends a year. The series visits iconic tracks such as Daytona International Speedway, Sebring International Raceway, Watkins Glen International and Road Atlanta. Others include street circuits in Long Beach and Detroit, Mid-Ohio SportsCar Course, Canadian Tire Motorsports Park, Lime Rock Park, Road America, VIRginia International Raceway and WeatherTech Raceway Laguna Seca.

IMSA – a company within the NASCAR family – is the exclusive strategic partner in North America with the Automobile Club de l'Ouest (ACO) which operates the 24 Hours of Le Mans as a part of the FIA World Endurance Championship. The partnership enables selected IMSA WeatherTech SportsCar Championship competitors to earn automatic entries into the prestigious 24 Hours of Le Mans. 

Automotive

IMSA

IMSA's headquarters in Daytona Beach, FL, United States

This department focuses on the design, development, and optimization of technical systems and performance engineering.

Engineering Operations

The Event Operations Team at IMSA is responsible for ensuring the seamless execution of motorsport events throughout the racing season. They handle logistics, coordinate track services, manage race officials, and oversee technical inspections to maintain safety and compliance. This dedicated team works collaboratively to create an organized and thrilling experience for competitors and fans alike, ensuring that each race meets the high standards of the IMSA series.

Event Operations Team

The Competition Operations team at IMSA is responsible for overseeing and ensuring the integrity of race events across the various series, including the WeatherTech SportsCar Championship. This team manages technical compliance, coordinates pit activities, and oversees competition administration to maintain fair and safe racing environments. By working closely with teams and drivers, they ensure adherence to technical regulations and provide vital support during race weekends.

Competition Operations

The Leadership Team at IMSA is responsible for steering the strategic direction and operational success of the organization. This team, comprising top executives in marketing, competition, and business development, works collaboratively to enhance the presence and performance of IMSA's racing series, foster strong partnerships with manufacturers, and ensure the continued growth of motorsport in North America. Their leadership drives innovation and excellence in both on-track and off-track initiatives, ultimately enhancing the fan experience and increasing overall engagement in the sport.

Leadership Team

The Marketing and Communications team at IMSA is responsible for promoting the organization's brand and enhancing its visibility in the motorsports industry. They develop strategic marketing initiatives, manage partnerships, and execute digital media campaigns to engage fans and stakeholders. Additionally, the team focuses on media relations and communications to share the excitement of IMSA events and the achievements of its manufacturers and teams, ensuring a cohesive narrative across all platforms.

Marketing and Communications

The Media and Broadcast team at IMSA is responsible for capturing and delivering the thrilling action of the WeatherTech SportsCar Championship to fans worldwide. This team specializes in live commentary, camera operation, and video production, ensuring that each race is expertly broadcasted and engaging. They work collaboratively to create an immersive viewing experience, showcasing the excitement of motorsport while promoting the series and its renowned manufacturers.

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Other teams

Event Operations Team

Competition Operations

Leadership Team

Marketing and Communications

Media and Broadcast