GT World Challenge Europe - Round 4

Round 4 of the GT World Challenge Europe takes place at Circuit de Spa-Francorchamps in Belgium. This round features the CrowdStrike 24 Hours of Spa, the premier endurance race in the championship. The event also counts as a round of the Intercontinental GT Challenge and awards the most points in the Endurance Cup standings.

The 24-Hour Race Format

The CrowdStrike 24 Hours of Spa is a single continuous race lasting 24 hours. Teams compete across multiple driver changes, pit stops, and varying weather conditions. The event spans five days and includes practice sessions, qualifying, and the main race. A prologue serves as official test days before the competition begins.

Approximately 70 GT3 cars are expected to enter this race, expanding beyond the standard GT World Challenge Europe Endurance Cup grid of 59 cars. Ten manufacturers will compete: Aston Martin, Audi, BMW, Chevrolet, Ferrari, Ford, Lamborghini, McLaren, Mercedes-AMG, and Porsche.

Circuit de Spa-Francorchamps

Circuit de Spa-Francorchamps measures 7.004 kilometers (4.352 miles) and ranks as the longest track in modern international racing. The circuit is located in Francorchamps, Stavelot, in the Wallonia region of Belgium. The track features 21 turns and presents significant elevation changes throughout its layout.

Notable Track Sections

The circuit includes several demanding sections. Eau Rouge and Raidillon form a high-speed uphill sequence that tests driver skill and car performance. The track also includes La Source hairpin, Bruxelles, Blanchimont, and the bus stop chicane. Each section requires different approach strategies and car setups.

Weather conditions at Circuit de Spa-Francorchamps change rapidly due to the Ardennes climate. Rain can fall on one section of the track while other parts remain dry. This variability adds strategic complexity for teams managing tire choices and pit stop timing.

Recent Circuit Improvements

Circuit de Spa-Francorchamps has undergone significant upgrades in recent years. Safety improvements include new gravel traps at La Source, Bruxelles, and Blanchimont, plus enlarged run-off areas at multiple corners. The track surface has been resurfaced to improve grip and drainage.

Facility enhancements include new grandstands at Raidillon, increasing spectator capacity. Construction projects include the Uhoda Tower and a connecting footbridge. A new entrance at Ster provides improved access for visitors.

Competition Classes and Teams

The GT World Challenge Europe at Circuit de Spa-Francorchamps includes four competition classes. The Pro class features professional drivers, often with factory team support. The Gold Cup and Silver Cup combine professional and semi-professional drivers with different experience requirements. The Bronze Cup emphasizes amateur drivers paired with professional co-drivers.

Confirmed Manufacturers and Teams

Aston Martin Racing will field entries from Comtoyou Racing and Walkenhorst Motorsport. Audi representation includes Eastalent Racing with a Pro class entry and Tresor Attempto Racing. BMW teams include Team WRT with multiple cars and ROWE Racing.

Chevrolet enters through Steller Motorsport with the Corvette Z06 GT3.R. Ferrari has strong representation from AF Corse with multiple Ferrari 296 GT3 Evo entries, plus JMW Motorsport, Kessel Racing, Selected Car Racing, and Ziggo Sport Tempesta. Ford participates through HRT Ford Racing with the Mustang GT3 Evo.

Lamborghini teams include Rutronik Racing and Grasser Racing Team, both fielding the new Temerario GT3. McLaren entries come from Garage 59, Optimum Motorsport, and Greystone GT. Mercedes-AMG fields multiple teams: M-AMG Team GetSpeed, M-AMG Team MANN-FILTER, M-AMG Team Verstappen Racing, GetSpeed, and Winward Racing.

Porsche has extensive representation through Pure Rxcing, Rinaldi Racing, Lionspeed GP, Razoon - more than racing, Boutsen VDS, Herberth Motorsport, Rutronik Racing, and Ziggo Sport Tempesta.

GT3 Technical Regulations

All cars competing in Round 4 at Circuit de Spa-Francorchamps follow FIA GT3 regulations. GT3 cars are production-based vehicles modified for racing competition. Each manufacturer develops their GT3 car from a road-going model.

Engine Specifications

GT3 cars use various engine configurations. Options include turbocharged V6 engines, naturally aspirated V8 engines, and V10 or V12 configurations. Power output typically ranges from 500 to 600 horsepower. The Balance of Performance system regulates power levels across different manufacturers.

Weight and Aerodynamics

GT3 cars weigh between 1,200 and 1,350 kilograms depending on Balance of Performance adjustments. Large rear wings provide downforce for high-speed stability. Front fascias and body panels create aerodynamic efficiency. Active aerodynamic systems are prohibited under the regulations.

Electronics and Tires

GT3 regulations permit ABS and traction control systems to aid drivers. Pirelli supplies all tires for the championship, providing P Zero slicks for dry conditions and Cinturato wet tires for rain. All teams use identical 102 RON racing fuel.

Balance of Performance

SRO Motorsports Group manages the Balance of Performance system for GT3 racing. BoP adjustments ensure fair competition between different manufacturers and car models. Adjustments include weight modifications, engine power changes through turbo boost or air restrictors, aerodynamic efficiency alterations via ride height rules, and fuel tank capacity restrictions.

A typical GT3 car like the Porsche 911 GT3 uses a naturally aspirated 4.0-liter flat-six engine producing 502 horsepower. The car accelerates from 0 to 60 mph in approximately 3.2 seconds and reaches top speeds near 198 mph.

Historical Background

The 24 Hours of Spa first ran in 1924, originally called the 24 Hours of Francorchamps. The event drew inspiration from the 24 Hours of Le Mans. The race became an annual event from 1964 forward. In 2001, the race transitioned to GT car regulations, which increased popularity and entry numbers.

The event became the headline race for the Blancpain Endurance Series in 2011. This series later evolved into the GT World Challenge Europe. Past winners include notable drivers such as Mike Hawthorn, Gerhard Berger, Jochen Mass, Jacky Ickx, and Giuseppe Farina. Recent editions have shown competitive balance, with six different manufacturers winning the previous six races.

Circuit Facts and Features

Circuit de Spa-Francorchamps holds several distinctions in motorsport. The circuit measures 7.004 kilometers, making it the longest track on the Formula 1 calendar. The original track layout from 1920 measured over 15 kilometers and used public roads connecting Francorchamps, Malmedy, and Stavelot.

The bus stop chicane on the circuit was an actual bus stop in earlier track configurations. Eau Rouge takes its name from a 15-kilometer river in the Belgian province of Liège, which has red oxide deposits. The 24 Hours of Spa predates the Belgian Grand Prix, with the endurance race starting in 1924 compared to the Grand Prix beginning in 1925.

The substantial length of Circuit de Spa-Francorchamps creates unique weather challenges. Rain can affect one section while other parts remain completely dry. This condition forces teams to make difficult strategic decisions about tire selection and when to pit. The circuit continues to evolve, with ongoing construction projects like the Uhoda Tower demonstrating continued investment in the facility.

What to Expect from Round 4

Round 4 of the GT World Challenge Europe at Circuit de Spa-Francorchamps promises close competition between ten manufacturers and approximately 70 GT3 cars. The 24-hour format tests driver endurance, team strategy, and mechanical reliability. Weather variability at the circuit adds unpredictability to race outcomes.

The combination of a challenging track layout, extended race duration, and competitive field creates compelling racing action. Teams must balance speed with consistency over the full 24 hours. The points awarded for this round exceed other Endurance Cup races, making it a critical event in the championship battle.