What Is 1998 Six Hours at the Glen

Overview

The 1998 Six Hours at the Glen was a pivotal endurance race in the IMSA GT Championship, held at the historic Watkins Glen International circuit in New York. As the seventh round of the 1998 season, it attracted top teams and drivers from GT1, GT2, and GT3 classes, showcasing high-performance prototypes and grand tourers.

This six-hour endurance event tested reliability, strategy, and driver stamina over a demanding 3.4-mile road course. Known for its mix of high-speed straights and technical corners, the Glen provided a challenging backdrop for manufacturers like Porsche, Chevrolet, and Dodge.

• Event date: The race occurred on June 28, 1998, starting at 11:00 AM Eastern Time and concluding around 5:00 PM.
• Track layout: Watkins Glen International used its full 3.4-mile, 11-turn Grand Prix circuit, a layout favored for its elevation changes and fast esses.
• Class structure: Three classes competed: GT1 for high-powered prototypes like the Porsche 911 GT1, GT2 for modified production-based cars, and GT3 for showroom-style vehicles.
• Winner: The GT1 class-winning Porsche 911 GT1, driven by Thierry Boutsen and Bob Wollek, completed 187 laps, leading the most distance.
• Attendance: Over 80,000 spectators attended the event, making it one of the most-attended IMSA races of the season.

How It Works

The Six Hours at the Glen followed IMSA's endurance racing format, combining speed, fuel strategy, and pit coordination across multiple driver lineups and car classes.

• Endurance Format: The race lasted six hours, with teams relying on two or more drivers sharing stints to manage fatigue and tire wear.
• Refueling Strategy: Teams performed 7–10 pit stops per car, timing refueling and tire changes to minimize time loss during caution periods.
• Driver Rotation: Each driver typically ran stints of 45–90 minutes, depending on class and team strategy, with mandatory minimum drive times enforced.
• Class Competition: GT1 cars, like the Porsche 911 GT1, were the fastest, while GT2 and GT3 entries competed for class honors under BoP (Balance of Performance) regulations.
• Scoring System: Points were awarded based on overall and class finishes, with championship implications for both drivers and manufacturers.
• Weather Impact: Temperatures reached 86°F during the race, increasing tire degradation and affecting cooling systems on high-downforce cars.

Comparison at a Glance

Racing across multiple classes created diverse performance levels, as shown in this comparison of key entries from the 1998 event:

The table highlights the performance gap between prototype-based GT1 machines and production-derived GT2 and GT3 entries. While GT1 cars dominated lap counts and speeds, GT2 and GT3 teams focused on consistency and mechanical reliability to secure class wins.

Why It Matters

The 1998 Six Hours at the Glen played a crucial role in shaping the 1998 IMSA GT season and highlighted the growing professionalism in American endurance racing.

• Manufacturer Rivalry: The race intensified competition between Porsche and Chevrolet, influencing future development of GT race cars.
• Driver Legacy: Bob Wollek’s performance reinforced his status as one of IMSA’s most skilled endurance drivers before his 2001 retirement.
• Technical Innovation: Teams used the event to test aerodynamic packages and ECU tuning ahead of the 24 Hours of Daytona.
• Fan Engagement: With over 80,000 in attendance, the race demonstrated strong public interest in sports car racing during the late 1990s.
• Media Coverage: The event was broadcast on Speed Channel, increasing visibility for IMSA and attracting sponsor interest.
• Historical Significance: It marked one of the last major appearances of the Porsche 911 GT1 in IMSA before rule changes phased it out.

Today, the 1998 Six Hours at the Glen is remembered as a high point in IMSA’s golden era, combining elite driving talent, cutting-edge technology, and passionate fan support in a defining American motorsport event.