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From Jeddah to Sepang and Puebla, the Tatuus T421 took on three different moments of the 2026 season, from the opening rounds in Saudi Arabia and Malaysia to Bobadilla’s F4 NACAM title.




Three circuits, three stories and the Tatuus T421 at the heart of the action. The weekend brought the single-seaters to Saudi Arabia, Malaysia and Mexico, with a new season getting underway, a new championship making its debut and a title decided with one race still to go.




F4 SAUDI ARABIA



The opening round of the 2026 F4 Saudi Arabia season at the Jeddah Corniche Circuit immediately produced a closely contested championship. Archie Owen and Marlon Bayer shared the two wins of the weekend, leaving Jeddah tied at the top of the standings on 40 points each.



Owen made the perfect start to the season, taking his maiden single-seater victory on his championship debut. Starting from the front row after Harrison Mackie was handed a grid penalty, the Briton took the lead in Race 1 and held it for all 12 laps, finishing ahead of Mackie and Bayer. The Ginetta Junior frontrunner remained among the leading contenders in Race 2 as well, taking another second-place finish.



Bayer responded in the second race of the weekend. After securing pole position, the Swiss-Austrian driver had to defend for much of the race against Owen, but managed to hold on to the lead all the way to the chequered flag to claim his first career victory. Owen finished third, while Mackie completed the podium in second.



With 40 points each, Owen and Bayer share the championship lead, while Mackie follows on 36 points. The gap remains minimal ahead of the next round, which will take place as early as 7 and 8 October at the same Jeddah circuit.



UPDATED STANDINGS


• Archie Owen / Marlon Bayer – 40 points

• Harrison Mackie – 36 points




F4 TROPHY MALAYSIA



The opening round of the Formula Trophy Malaysia at Sepang saw Marco Manson and Juste Mulder take one win each. Manson started the weekend with victory in Race 1, while Mulder closed out the event with a Race 2 win to claim his maiden single-seater victory.



Starting fourth, Manson made his way forward in the early stages before catching Mulder. His move for the lead came on lap four, allowing him to build enough of a gap to secure the win. Mulder finished second ahead of Ben Anh Nguyễn, with David Cosma Cristofor fourth.



Mulder started Race 2 from pole and held on to the lead all the way to the finish despite pressure from Nguyễn following the restart. Nguyễn finished second, while Aaron Mehta completed the podium. Manson crossed the line in fifth.



Mulder therefore becomes the first championship leader with 43 points. The standings could change as early as the next round, scheduled for 6–8 November at Sepang, as at least the top four finishers from the opening round are not expected to return for the following races.



UPDATED STANDINGS


1. Juste Mulder – 43 points

2. Marco Manson – 35 points

3. Ben Anh Nguyen – 33 points




F4 NACAM



F4 NACAM crowned its 2026 champion in Puebla, where Alex Bobadilla mathematically secured the title with one round still to go. The championship leader took victory in Race 1 before adding two more podium finishes, enough to secure the title with one race weekend remaining.



The weekend began with Oliver Trejo taking pole position in qualifying ahead of Mateo Girón and Bobadilla. The championship leader then moved to the front in Race 1 to claim the win. Alan Zezatti followed with victory in Race 2, his second consecutive win after his success at the previous round, while Bobadilla finished second.



Girón took his second win of the season in Race 3, finishing ahead of Bobadilla and Trejo. With a win and two further podiums at Puebla, Bobadilla now has eight victories and six additional podium finishes this season, securing the 2026 title.



The season is not over yet, however. F4 NACAM will return to Mexico City at the end of October for the final round of the championship, held during the Formula 1 Mexico City Grand Prix weekend.



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Events, updates and latest news from the Tatuus world.

News
Weekend Preview: T421s return to the spotlight across the Red Sea, Southeast Asia and Central America
Weekend Preview: T421s return to the spotlight across the Red Sea, Southeast Asia and Central America
From the start of the season in Saudi Arabia to the penultimate round of F4 NACAM, via the debut of the Formula Trophy Malaysia, the Tatuus T421 faces another international racing weekend.


Three championships, three events and three very different settings: a new season gets underway in Saudi Arabia, the Formula Trophy Malaysia makes its debut in Malaysia, while F4 NACAM prepares for its penultimate round before the season finale in Mexico City. Another international weekend is ready to get underway, with Tatuus cars taking to the track from the Red Sea to Central America.


F4 SAUDI ARABIAN

The Aramco F4 Saudi Arabian Championship returns to the track this weekend for its third season , with an expanded calendar featuring six events and 12 races between October and December. The opening rounds will take place at the Jeddah Corniche Circuit , before the championship moves to the Lusail International Circuit in Qatar.

The 2025 season ended with British driver Kit Belofsky claiming the title with Team PEAX , ahead of Adam Al Azhari and Scott Lindblom . In 2026, 15 drivers will take to the grid, all racing identical Tatuus T-421s . Once again, the car will provide a common platform for young drivers coming from karting and preparing to take their first steps in single-seater racing.

The 2026 season also introduces a new format , with one testing day followed by two days of racing, giving drivers more time to familiarise themselves with both the car and the circuits.

For all information regarding the weekend schedule and live race coverage, visit the championship’s official Instagram page.


F4 SOUTH EAST ASIA – FORMULA TROPHY MALAYSIA

The Formula Trophy Malaysia makes its debut this weekend with a 22-car grid at Sepang International Circuit, as part of the Formula 1 Malaysian Grand Prix weekend. The first of three events scheduled for 2026 will bring an international field to the track, with drivers from Asia, Europe and Australia and a mix of Formula 4 experience and direct steps up from karting.

Among the names already known in the F4 scene is David Cosma Cristofor , who arrives at Sepang after competing in Italian F4 and the Formula Trophy UAE. The Romanian driver will race for Evans GP , while Evans GP Academy will field Italian driver Ginevra Panzeri and Singaporean Kareen Kaur.

The grid also features several drivers with experience in regional and national F4 championships, including Chen Sicong , already a race winner in Chinese F4, and Iñigo Anton , who claimed the Rookie title in F4 South East Asia in 2025. For some participants, meanwhile, Sepang will mark their first step into single-seater racing after competing in karting.

Formula Trophy Malaysia will remain at Sepang for all three events of the 2026 season, with the following rounds scheduled for November and December. This opening weekend will therefore mark the series’ official debut at the 5.543 km Malaysian circuit.

Weekend schedule:
Saturday 10:30 – Qualifying 14:15 – Race 1
Sunday 11:45 – Race 2
All sessions will be available live on the category’s dedicated YouTube channel.


F4 NACAM

F4 NACAM returns to the Autódromo Miguel E. Abed in Puebla this weekend for the penultimate round of the season, as part of the GT Challenge de las Américas event. It will be an important stage of the championship, with Alex Bobadilla currently leading the standings and just one more round remaining after the Mexican weekend.

The next and final event will take place in Mexico City , where F4 NACAM will race as part of the Formula 1 Mexico City Grand Prix weekend.

Weekend program:
Saturday 13:10 – Qualifying 15:50 – Race 1
Sunday 09:45 – Race 2 13:20 – Race 3 [...]
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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