Sebastian Wheldon (born 1 February 2009) is an American racing driver who last competed in the Formula Regional Middle East Trophy with Mumbai Falcons.
In 2024, he competed in USF Juniors with Velocity Racing Development, and finished third in the 2025 Italian F4 Championship. Wheldon is a member of Andretti Global's driver development program.
Wheldon was born on 1 February 2009 in St. Petersburg, Florida.
Wheldon is the son of IndyCar champion and two-times Indianapolis 500 winner Dan Wheldon, who was killed in an accident at the Las Vegas Motor Speedway in 2011. His younger brother, Oliver, is also a racing driver. Wheldon was featured in the HBO Max documentary The Lionheart, which covered the legacy of his father's death on him, his brother, and his mother, Susie Wheldon.
During the 2025 Firestone Grand Prix of St. Petersburg, Wheldon drove the pace car during the parade lap in honor of his father.
Wheldon had a consistent karting career, with his best championship result at the national stage being a third place in the SKUSA Winter Series in 2020, in the Mini Swift category. Wheldon has competed in the SKUSA SuperNationals twice in 2021 and 2022, with a best result of seventh in the X30 Junior category in 2021.
Wheldon made his car racing debut in 2023, in the Skip Barber Formula Race Series. He managed to win the title against some experienced opposition including the likes of Jeshua Alianell, who had competed in the championship for two years previously. Wheldon amassed a total of thirteen podiums, six wins and ten fastest laps as he finished on 456 points over the course of sixteen races.
In early 2024, it was announced that Wheldon joined the YACademy Winter Series with the VRD team, who would also be running his entry into the 2024 USF Juniors season. Wheldon impressed in YACademy, winning once and standing on the podium four times in just six races, losing out on the title to sophomore driver Jack Jeffers. As he moved on to the main season of USF Juniors, Wheldon had a strong first round, winning two races out of three and finishing second in the other at NOLA Motorsports Park, demonstrating that he would be a title contender as he moved to the top of the championship as a result.
In December, Wheldon took part in the final round of Formula Trophy UAE. He achieved pole position and a victory during race 1 at the Yas Marina Circuit, marking his first motorsport win outside of the Americas. The next day, he placed fourth in race two.
At the start of 2025, Wheldon competed in the F4 Middle East Championship with Prema Racing. He finished in third place during round one at Yas Marina.
For his main campaign, Wheldon competed in the Italian F4 Championship and E4 Championship with Prema Racing.
Prior to the start of his main 2026 campaign, Wheldon participated in the Formula Regional Middle East Trophy with Mumbai Falcons.
Wheldon was set to remain with Prema Racing in his promotion to the Formula Regional European Championship, but was replaced by Tomass à  tolcermanis just two weeks later.
Season still in progress.
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() (Races in bold indicate pole position; races in italics indicate fastest lap)
() (Races in bold indicate pole position) (Races in italics indicate fastest lap)