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(IMSA) International Motor Sports Association

Aston Martin to race Valkyrie Hypercar

Lamborghini GTP debut successful at Sebring 12

1984 March 84G-Porsche – The African Assault

Round 4: IMSA WeatherTech Sportscar Championship

Sebring Delivers Drama – 2023 12 Hours of Sebring Race Recap

Mercedes takes class win at the Rolex 24, Daytona

Interview: Parker Thompson, 2022 PCCNA Champion

IMSA’s “Win the Weekend” Docuseries Takes an Inside Look at 2023 GTP Season

Porsche Unveils 911 GT3 R Race Car

Acura Grand Prix of Long Beach (2022)

12 Hours of Sebring (2022) – Recap & Photo Gallery

News – IMSA Buys Historic Sportscar Racing (HSR)

Historic IMSA GTO at the Long Beach Grand Prix

Historic IMSA GTO at the Long Beach Grand Prix (Subscriber Only)

Historic IMSA GTO to Race at LBGP This Week

IMSA on a Budget—Part 2, The American Challenge Series

IMSA on a Budget—Part 1, The Baby Grand

Historic IMSA GTO to Support LBGP

Dan Gurney

Alex Job Switches to Historic Racing

Bruce Leven (1938-2017)

Preston Henn (1931-2017)

Favorite Racecar? Lancia Stratos

Favorite Racecar? Brabham BT44-Cosworth

Tom Kendall – Part 2

Tom Kendall – Part I

Rick Mears

1986 BMW GTP – Unfinished Business

Racing with BMW

Twisting in the Wind – The Greenwood Corvettes

Brian Redman, Part 1

Gene Felton – Chevrolet Camaro

David Loring (1950-2012)

Favorite Racecar? Lotus 79

Jack Brabham became the first man to win a Grand Prix in a car of his own construction by driving Brabam BT24/01 to victory in the ’67 French GP. Photo: F1Photo

Jack Brabham

Busby enjoyed driving his 320i Turbo—whenever it ran reliably. Note the trick fastback rear window treatment he devised to improve the car’s aero.

BMW Baptism by Fire

Favorite Racecar? 1985 Porsche 962C

Gianpiero Moretti (1940–2012)

Five from Fifty

John Fitzpatrick

A Different Gregg

Peter Perfect, Part 1

2006 Monterey Historic Races -13

IMSA and the 935

The Pride of Jaguar

Pikes Peak

The Golden Age of Racing – The Fifties & Sixties

George Follmer

Flying the Eagle FF

Parker Johnstone: Vintage Recruit

HMSA Historic IMSA (2008) – Recap & Photo Gallery

Race Recap – 1989 IMSA GTO/GTU at Sears Point

The Great American Racing Novel

1982 Porsche 956 & 1988 Porsche 962 – Alpha & Omega

Derek Bell

1991 Toyota Eagle MKIII GTP – Unstoppable Force

Twins

Historic IMSA Registry Announced

Erwin Kremer