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From Australia to the USA, Thursday to Monday: an intense (and still ongoing) weekend!



A round-the-world journey in a single weekend aboard Tatuus single-seaters — that's the storyline of a long and thrilling weekend, which kicked off with the oval races of the USF Pro Championships and is still underway, with the final GB4 Championship races scheduled for today, May 26.



USF Pro Championships

During the Indy 500 weekend, the Carb Night Classic once again featured Tatuus cars from both the USF Pro 2000 and USF 2000 series.


In USF Pro 2000, it took just half a lap for Ariel Elkin (TJ Speed) to overtake pole-sitter Mac Clark (Exclusive Autosport) and begin a dominant run to the checkered flag over the 90 scheduled laps. The only interruption came from a Safety Car period caused by Joey Brienza’s (Exclusive Autosport) crash. At the restart, Alessandro De Tullio (Turn 3 Motorsport) seized the opportunity to move into second place, with Mac Clark completing the podium in third.


De Tullio (183 points) and Elkin (190) will continue to chase championship leader Max Garcia (Pabst Racing, 231 points) when the series resumes at Road America, June 19–22.


The USF 2000 cars took to the track before their Pro 2000 counterparts, under the setting sun at Lucas Oil Indianapolis Raceway Park. A great start from pole wasn’t enough for Ayrton Houk (Benchmark Autosport) to fend off Anthony Martella (Jay Howard Driver Development), who claimed his first win of the season ahead of championship leader Thomas Schrage (VRD) and Australian Brad Majman (Jay Howard).


USF 2000 also returns to action at Road America from June 19–22.



F4 Italia

The second round of the Italian Formula 4 Championship took place at Vallelunga, once again boasting a packed grid of 40 Tatuus T-421s.


Double victory for Kean Nakamura-Berta (Prema), who strengthened his championship lead over teammate Sebastian Wheldon, the winner of Race 3, and Gabriel Gomez (US Racing), who took victory in Race 4. Other podium finishers over the weekend included Maksimilian Popov (VAR), Salim Hanna (Prema), Emanuele Olivieri (R-ace), and Alex Powell (R-ace).


The series will now take a break before returning to action at Monza from June 20–22.



Wera Tools British F4

Three races, three different winners at Snetterton: Adam Al Azhari (Rodin), August Raber (Phinsys by Argenti), and Fionn McLaughlin (Hitech).


As always, the British F4 delivered close racing and great variety on the podium, with Martin Molnar (Virtuosi), Tommy Harfield (Chris Dittmann Racing), Henry Joslyn (Fortec), Ethan Jeff-Hall (Phinsys by Argenti), and Joel Bergström (JHR) also among the top finishers.


One single weekend off lays ahead, then the series will be back in action at Thruxton (6-8 June).



GB4

The racing weekend isn’t over yet, thanks to the GB4 Championship, which held a dramatic Race 1 on Saturday at a rain-soaked Oulton Park. Victory went to Alex O’Grady (KMR), ahead of Luca Magnussen (Fortec) and Enzo Hallman (Douglas). The race saw four women finish in the top 10: Megan Bruce (4th), Ava Dobson (8th), Holly Miall (9th), and Lily-May Watkins (10th).


Race 2 and Race 3 are scheduled for today at 13:00 and 17:35 CEST, respectively, live on MSV TV.



AU4

The new AU4 Championship by AGI Sport debuted in Australia. The series positions itself as an entry-level category with mixed-brand and mixed-generation cars competing on track together. The 7 Tatuus T-421s competing at The Bend Motorsport Park in Adelaide locked out all podium positions in the three scheduled races and captured the best overall results across each one. Race wins went to Harrison Duske (Tim Macrow Racing), Noah Killion (AGI Sport), and Isaac McNeill (Volante Rosso), with Imogen Radburn (AGI Sport) taking podium finishes in all three races.


The Australian series returns to The Bend Motorsport Park on July 12–13.



Formula 4 SEA

The second round of the Formula 4 South East Asia Championship saw Alex Sawer (Evans GP) continue his dominant run, claiming victory in all three races held at the Buriram International Circuit. The first round had taken place in Sepang. Seth Gilmore (Evans GP) maintained a consistent presence on the podium, joined twice by Ayrton Asdathorn (Star Performance) and once by Iñigo Anton (BlackArts).


The third round of the championship is scheduled to return to the Buriram International Circuit on July 4–6.


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Newsroom

Events, updates and latest news from the Tatuus world.

News
Destination Macau: the T-326 and T-421 set to star in the 2026 FIA World Cups
Destination Macau: the T-326 and T-421 set to star in the 2026 FIA World Cups
The FIA has officially confirmed the adoption of Tatuus single-seaters for the 2026 Formula Regional and Formula 4 World Cups.
Tatuus cars, already competing in national and regional championships around the world, will once again take center stage on the prestigious streets of Macau for the FIA Formula Regional World Cup and FIA Formula 4 World Cup. From 19 to 22 November, 13 teams in Formula Regional and 12 teams in Formula 4 will battle on the iconic Guia Circuit. For the T-326 , this will mark its debut in Macau, following the T-318's appearances in the Formula Regional World Cup in 2024 and 2025. For the T-421 , it will be a welcome return after making its Macau debut in the Formula 4 World Cup in 2023.

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Stories
“Motorsport works like magic, capable of inspiring that uniquely Italian determination to keep believing in something even when the numbers don’t add up.”
“Motorsport works like magic, capable of inspiring that uniquely Italian determination to keep believing in something even when the numbers don’t add up.”
The words of CEO Giovanni Delfino in an interview with la Repubblica.

The CEO of Tatuus, ATM – Autotecnica Motori, and the Korus Group was featured in an interview published today in la Repubblica and written by Irene Saderini. During the conversation, he reflected on some of the most important and defining moments of his career, while also sharing his views on several aspects of the global motorsport industry.
The full interview is available on repubblica.it .

A Personal Journey A central theme of the interview is the CEO’s personal story, which began with his decision to pursue engineering studies and continued through a career marked by bold choices and decisive moments: “I don’t believe in luck; I believe in being able to seize it. When an opportunity comes your way, you have to recognize it. That said, it would be unfair to claim I wasn’t fortunate. I joined the company when I had virtually nothing. The founder allowed me to repay my debt over time, and I only finished paying the last installments two or three years ago.”
Delfino also spoke about his early years at Alfa Corse, where he developed his passion for experimentation and performance engineering: “At heart, I am a track engineer. I worked in the testing departments, where our job was to find that extra half horsepower from a finished product. My first experiences came in Alfa Romeo Touring Cars, with drivers such as Giovanardi, Tarquini and Larini competing against BMW and Mercedes. Sometimes those extra two horsepower were what won you the race.”

Formula 4 and Driver Development Among the key topics discussed was the production of Formula racing cars and engines, today one of the cornerstones of the Korus Group: “Everything starts with studying the regulations, which always leave room for interpretation—and success comes from finding the right one.” Speaking about Formula 4 engines, Delfino explained: “It all starts with a four-cylinder Fiat 500 Abarth unit. It must cost less than €16,500 due to the price cap and last 10,000 kilometres. My objective is to ensure that every engine performs the same.” The reward is seeing young talents progress step by step through the motorsport ladder and ultimately reach the highest levels of the sport: “It was particularly rewarding to see Andrea Kimi Antonelli begin his career in one of our cars.”

The Motorsport Industry The interview also included a broader reflection on the remarkable momentum motorsport is experiencing worldwide: “Motorsport sometimes works like a kind of magic, capable of overcoming marketing logic and keeping alive that uniquely Italian determination to believe in something even when the numbers don’t add up.”
Particularly representative of the Korus Group’s vision was Delfino’s perspective on internal combustion and electric powertrains: “For me, the smell of a winning engine is the smell of gasoline, hard work and sacrifice. A twelve-cylinder engine on track is like a violin—actually, an entire orchestra of violins. Racing is my world, and I find it difficult to see any of that emotion in batteries alone. Hybrid technology, however, is a different story. We are part of the FIA working group on the new regulations, and I find the hybrid approach very compelling.”
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News
Tatuus Celebrates the 500th T-421, the World’s Most Widely Used Formula 4 Car
Tatuus Celebrates the 500th T-421, the World’s Most Widely Used Formula 4 Car
The Lainate-based manufacturer has celebrated the production and delivery of the 500th chassis of the single-seater on which Kimi Antonelli and Arvid Lindblad developed their careers.

Born in 2021, the Tatuus T-421 reached its 500th unit produced and delivered in May 2026, once again confirming its status as one of the most manufactured and successful racing single-seaters worldwide. The milestone was celebrated by the Lainate-based brand together with all its employees and the sister companies of the Korus group, which contribute daily to the T-421 project: ATM–Autotecnica Motori, Breda Racing, and Next Solution Technologies.
Today, the T-421 is the most widely used Formula 4 car in the world, competing across 16 championships spanning Europe, the Americas, Asia, and Oceania. Behind its wheel, some of the most exciting talents in contemporary motorsport have developed, including Kimi Antonelli and Arvid Lindblad , who built the first steps of their single-seater careers in the second-generation Tatuus F4 before progressing all the way to the pinnacle of Formula 1.
“The 500th T-421 is not only a major milestone for Tatuus, but also an important achievement for the entire international motorsport ecosystem,” said Giovanni Delfino, CEO of Tatuus and the Korus Group. “With the introduction of Formula 4 in 2014, the FIA created a new pathway between karting and single-seaters, enabling drivers to arrive better prepared for higher categories. This model has established itself through years of significant growth in motorsport, during which many championships were launched and expanded, now reaching grids of nearly 50 cars per round with the second generation we celebrate today. These are figures that were difficult to imagine at the beginning of this journey, but which now define the everyday reality of many of the companies within the Korus Group.”
“Throughout Tatuus’ history, many of our models have achieved widespread adoption across global championships and have demonstrated unparalleled driver development capabilities,” added Gianfranco De Bellis, President of Tatuus and the Korus group. “The T-421 is writing an important chapter in the history of our brand and, together with the first-generation car, is now approaching 800 units produced. These volumes allow us to aim toward the milestone of 1,000 F4 single-seaters, a figure previously approached by the various Formula Renault models that marked a turning point in our history and in the development path of many drivers.”
As the second generation of Formula 4 single-seaters, the T-421 succeeded the T-014, which from 2014—the year Formula 4 was introduced—through 2021 was produced in just under 300 units. It represented the ideal platform for drivers transitioning from karting to single-seaters, and helped develop talents such as Lando Norris, Oscar Piastri, Max Verstappen, Isack Hadjar, Liam Lawson, Lance Stroll, Oliver Bearman, Gabriel Bortoleto, and Franco Colapinto.
The T-421 is just one of many examples of the cooperation that makes the Korus group one of the leading global ecosystems in motorsport engineering. The companies within the Group involved in the celebration have contributed to the project from day one, within a consolidated model of synergies that each year gives rise to new cars, powertrains, and solutions for motorsport.
Specifically, ATM–Autotecnica Motori developed and supplies the Abarth-derived inline four-cylinder engine that powers the car, while Breda Racing is responsible for a large portion of the components—such as the halo and suspension arms—as well as instrumentation required for managing the cars both on track and at HQ. Next Solution Technologies provides a significant part of the car’s electronic and electromechanical systems, in addition to supplying steering wheels and rain lights.
However, the milestone of 500 cars does not represent a finishing point for Tatuus. Production of the current model will continue through 2028 , when FIA regulations foresee the introduction of the third-generation car , on which the brands of the Korus Group are already actively working.

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