British-born Haarni made his championship debut at Knockhill last season, becoming a points scorer in only the second race of his short British F4 career. He then missed the next round, before he gained valuable racing mileage around Silverstone and the Brands Hatch Grand Prix circuit to close out the year. Having only competed in three race weekends last season, he will be eligible for the Rookie Cup, and the free entry prize fund for 2027 worth £25,000 prize fund that comes with the title.
The 16-year-old will start his fi rst full year of car racing having only done two years of karting prior to making his F4 debut last August. After previously racing in the Ultimate Karting Championship and Junior Rotax Max in SuperOne, Haarni adapted well to the Tatuus T-421 last year and will be looking to build on that experience this season.
Testing is scheduled to get underway at the end of February to ensure Haarni and his JHR Developments teammates are as prepared as possible for the opening race weekend at Donington Park on the 18th and 19th April.
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Pakistani