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iRacing 2026 Season 4 Week 1: Bristol, Britcar 24, and new Track Day series
iRacing·14 September
iRacing 2026 Season 4 Week 1: Bristol, Britcar 24, and new Track Day series
iRacing has launched Season 4 of 2026 with a full slate of racing across multiple disciplines from September 15th to 21st. The week marks the start of a new competitive season featuring NASCAR, dirt oval racing, and endurance events alongside newly introduced series and formats. The headline special event is the iRacing Britcar 24 presented by Cosworth, which brings the historic 24-hour endurance race to the virtual platform. Originally established at Silverstone in 2005, the real-world Britcar 24 has featured everything from GT machinery to touring cars and club racers. The iRacing version will run GT3 and GT4 machinery through a full day-night cycle at Silverstone. In the weekly championship series, the NASCAR iRacing Series continues its 36-week campaign at Bristol Motor Speedway (Week 29), with races scheduled across multiple time slots in both fixed and open setup formats. The Dirt 410 Sprint Car Tour reaches Week 30 at Lucas Oil Speedway, while the Dirt Super Late Model Tour contests Week 32 at Knoxville Raceway. Additional oval series include the NASCAR Modified Tour at Concord Speedway and the Super Late Model Tour at Lanier National Speedway. New for 2026 Season 4 is the FIA Cross Car Championship at Rookie level, introducing mixed-surface rallycross racing in the nimble FIA Cross Car. iRacing has also debuted a Track Day series at Summit Point Raceway, featuring multiclass racing with a variety of road cars including Porsche 911 GT3 Cup, Mazda MX-5, Caterham 420R, TCR machinery, and the Radical SR8. Open qualifiers run every 30 minutes. Regional GT3 and FIA F4 tours continue with hourly splits across Americas, Asia-Pacific, and Europe regions. Specialty series include Ring Meister at the Nürburgring Nordschleife (this week featuring the Caterham 420R), Draft Master Challenge by SIMAGIC at Talladega, and Rain Master Challenge by Podium1 for wet-weather GT3 racing at Summit Point.
iRacing Britcar 24 at Silverstone: 24-hour GT endurance this weekend
iRacing·14 September
iRacing Britcar 24 at Silverstone: 24-hour GT endurance this weekend
iRacing is hosting the Britcar 24 presented by Cosworth this weekend as part of its Special Events calendar. The 24-hour endurance race will take place at Silverstone Circuit's Grand Prix layout, featuring GT3 and GT4 machinery in a multi-class team format. The event runs from September 18–20, with the race scheduled for September 19 at 3:30 PM. Dynamic weather is enabled. Participants must form teams of between two and 16 drivers, with all declared drivers required to meet a minimum lap threshold relative to the team's total distance. Teams must hold a Sports Car license at Class C or higher, or Class D with a 4.0 Safety Rating. Registration opens 60 minutes before the event, followed by a 30-minute warm-up and an eight-minute qualifying session (two laps). Splits are determined by iRating, with up to 60 teams per split. The disqualification limit is set at 250 incident points per team, with Stop and Go penalties administered after 100 incidents and every 20 thereafter. The GT3 field includes the Acura NSX GT3 EVO 22, Aston Martin Vantage GT3 EVO, Audi R8 LMS EVO II GT3, BMW M4 GT3 EVO, Chevrolet Corvette Z06 GT3.R, Ferrari 296 GT3, Ford Mustang GT3, Lamborghini Huracán GT3 EVO, McLaren 720S GT3 EVO, Mercedes-AMG GT3 2020, and Porsche 911 GT3 R (992). GT4 competitors can race the Aston Martin Vantage GT4, BMW M4 G82 GT4 Evo, Ford Mustang GT4, McLaren 570S GT4, Mercedes-AMG GT4, and Porsche 718 Cayman GT4 Clubsport. All cars have been Balance of Performance adjusted; final figures may be updated on Wednesday before the event. Four time slots are available: Friday 22:00 GMT, Saturday 7:00 GMT, Saturday 12:00 GMT, and Saturday 16:00 GMT. The Saturday 12:00 GMT split (8:00 a.m. ET) will be broadcast live via RACESPOT on iRacing.com/live. The event is open setup, allowing teams to configure their cars freely. More details are available on the iRacing Special Events page and forums.