Penske

Penske Racing was the only American constructor to win a Formula 1 Grand Prix during the modern era, taking John Watson to victory at the 1976 Austrian Grand Prix in circumstances that remain among the most poignant in F1 history. Roger Penske's brief Formula 1 program (1974-1976) was a side project to his vastly more successful IndyCar operation, undertaken in memory of his close friend Mark Donohue, who was killed in qualifying for the 1975 Austrian Grand Prix. Watson's Austrian win the following year — at the same circuit, in the same race, almost exactly one year after Donohue's death — was the team's only victory and effectively closed Penske's Formula 1 chapter. The team withdrew at the end of 1976 to focus on IndyCar dominance, where Roger Penske would build the most successful team in American motorsport history.

Origins

Roger Penske had founded Penske Racing in 1966 as a sports car operation in the United States, building it through the 1970s into the dominant force in IndyCar racing. Penske's friendship with Mark Donohue — his lead driver and later his team principal — was the emotional and competitive foundation of the operation. After Donohue retired from active driving at the end of 1973, the two decided to pursue a Formula 1 program as a way to keep Donohue racing in a format he loved. Penske acquired a March 751 chassis for 1974 to allow Donohue to race in F1 part-time, then commissioned the first dedicated Penske F1 chassis (the PC1) for 1975, designed by British engineer Geoff Ferris and constructed at the team's UK base in Poole, Dorset.

Golden Era

Penske Racing's F1 era was tragic before it could become golden. Mark Donohue debuted the Penske PC1 in 1975 with promising early results — points-scoring finishes at South Africa and Sweden — before being killed in a tire-failure crash during the morning warm-up for the 1975 Austrian Grand Prix at the Österreichring. Donohue had been Penske's closest friend and driver for nearly a decade; Roger Penske considered closing the F1 team immediately but resolved to continue in Donohue's memory. John Watson signed for 1976 and the team commissioned the new Penske PC4 chassis (Geoff Ferris design). Watson scored multiple podiums through 1976 and won the Austrian Grand Prix in August 1976 — a victory at the same circuit where Donohue had died exactly one year earlier (the race had been moved on the calendar but was at the same venue). Watson famously shaved off his beard after the race, having promised Roger Penske he would do so if he ever won a Grand Prix.

Legendary Cars

The Penske PC1 (1975) was Geoff Ferris's first Formula 1 design — a clean, conventional Cosworth-powered car that Mark Donohue raced for the partial 1975 season. The PC3 (1976 early-season chassis, used while PC4 was developed) was a transitional car. The PC4 (1976) was John Watson's Austrian-winning chassis — a refined design that Watson rated as one of the best F1 cars he ever drove, particularly praising its handling balance and progressive characteristics. The PC4 also took Watson to second place at the British Grand Prix and a podium at Holland. After Penske withdrew from Formula 1 at the end of 1976, the PC4 chassis were sold to ATS Racing for 1977 and raced (with limited success) by Hans Heyer and others. The Penske F1 team operated continuously for less than two full seasons; its production run of dedicated F1 chassis was perhaps the smallest of any team to win a Grand Prix.

Lows & Reinventions

Mark Donohue's death in August 1975 was the team's defining low and shaped everything that followed. Roger Penske publicly committed to continuing the F1 program in Donohue's honor, but privately his focus shifted increasingly toward the IndyCar operation, which was the team's commercial heart and where Donohue had wanted the resources to go. The 1976 season produced the Austrian victory and several strong podiums but also revealed that Penske Racing's split focus between F1 and IndyCar was unsustainable. Roger Penske announced the team's withdrawal from F1 at the end of 1976, citing the need to concentrate on IndyCar (where Penske would soon dominate with Rick Mears, Bobby Unser, and others). The Penske F1 chapter closed almost as suddenly as it had begun.

Modern Era

Penske Racing has not returned to Formula 1, although Roger Penske has occasionally been linked to F1 ventures (most recently with Cadillac's planned 2026 entry, where Penske is not directly involved but has been mentioned in commentary about American F1 representation). Penske Corporation grew through the 1980s, 1990s, and 2000s into one of the largest privately-held companies in the United States, with truck leasing, automotive retail, and the IndyCar Series acquisition (Penske Entertainment purchased the IndyCar Series and Indianapolis Motor Speedway in 2019) — Roger Penske is now both team owner and series owner in IndyCar. Penske Racing's IndyCar record (over 200 wins, 18 Indianapolis 500 victories, 18 IndyCar championships) dwarfs its Formula 1 record, but the 1976 Austrian Grand Prix remains a treasured chapter in American F1 history. John Watson went on to a long F1 career with Brabham, McLaren, and others; he won four further Grands Prix and remains one of the most respected British drivers of the 1970s and 1980s. Mark Donohue's name is engraved at the Österreichring (now Red Bull Ring) and remembered every year that F1 visits the venue. The Penske PC4 lives on as one of the great American F1 stories — single victory, deep personal meaning, and a reminder that Formula 1 has always been a sport of human stories as much as engineering.