Hermann Tilke

During the 1980s, Tilke competed in touring car racing, primarily on the old Nürburgring Nordschleife. He also competed in VLN endurance racing and the 24 Hours Nürburgring. He and Dirk Adorf won VLN races with a V8Star Series car in 2003 and 2004.

Tilke competed in the 2002 and 2003 Bathurst 24 Hour races at Mount Panorama Circuit in Australia, driving for the event's promoter Ross Palmer. In 2002, he placed 14th outright and 3rd in Class 9 in a Honda S2000 alongside Peter Hansen and Melinda Price. He returned in 2003 with British GT team Cirtek Motorsport in a Porsche 996 GT3-RS alongside Melinda Price, Tim Harvey, and Jonathan Rowland, but their race ended with engine failure just before dawn after completing 325 laps of the 6.213 km circuit. The race winning Holden Monaro 427C covered 527 laps.

After completing his civil engineering degree with specialisation in transport and traffic management at Fachhochschule Aachen, Tilke established Tilke Engineering in 1984, combining architecture, civil engineering, and electronic engineering for motor racing and waste disposal projects.

Tilke is one of four designers recognised by the FIA. One of his first tasks was designing a short access road at the Nürburgring, work he obtained through contacts made during his racing career there. His first major project was the transformation of the fast Österreichring into the much shorter A1-Ring in Austria in the 1990s.

Tilke was involved in radical overhauls of Hockenheimring, Circuit de Catalunya, and the Nürburgring, as well as Fuji Speedway in Japan. He also redesigned Silverstone in 2010.

He designed a series of high-profile new circuits from scratch, primarily in Asia and eastern Europe: Sepang International Circuit, Bahrain International Circuit, Shanghai International Circuit, Istanbul Park, Valencia Street Circuit, Marina Bay Street Circuit, Yas Marina Circuit, Korea International Circuit, and Buddh International Circuit. He also designed the Circuit of the Americas in Austin, Texas, where Formula One returned to the United States in 2012. His later designs include the Sochi Autodrom, which hosted Russia's Formula One debut in 2014, Kuwait Motor Town, which opened in 2019, and the Hanoi Street Circuit, set for an inaugural race in April 2020 that was cancelled due to COVID-19.

Tilke designs tracks in collaboration with engineers from Tilke Engineering and former Formula One commercial rights holder Bernie Ecclestone. The process begins with site assessment of topography, wind direction, infrastructure, and soil quality. Tilke focuses on "conceiving dramatic architecture that reflects the host country" — such as Sepang's lotus-leaf grandstands in Malaysia — while prioritising spectator comfort and clear viewing, and aims to "build corners that promise a fast and interesting race but avoid pulling the field apart."

Tilke's track designs have attracted significant criticism. A 2009 profile in The Guardian stated he "has been accused of penning boring tracks and, even worse, of butchering legendary ones like Hockenheim." Russian Formula One commentator Alexey Popov coined the term "Tilkedrome" to describe the perceived monotony of his designs.

Former driver and team owner Jackie Stewart criticised Tilke in a 2011 piece in The Daily Telegraph, arguing that his designs lacked overtaking opportunities and that the tracks "are largely carbon copies of each other." Stewart praised the safety improvements and amenities but argued the large tarmac run-off areas failed to penalise mistakes, citing the 2010 Abu Dhabi Grand Prix in which Mark Webber was unable to pass Fernando Alonso despite Alonso running wide on four occasions because the run-offs did not impede him. Mark Webber agreed with Stewart's views. 1980 world champion Alan Jones described the designs as "just one constant-radius corner after another" and "boring."

Driver and commentator Anthony Davidson defended Tilke, stating that he "understands the demands of the modern cars" and that his circuits are "enjoyable to race on because they suit modern F1 cars." Davidson particularly praised Turn Eight of Istanbul Park.

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