Nolan Siegel

Siegel would join the final round of the 2019 Formula 4 United States Championship held at Circuit of the Americas driving for Jay Howard Driver Development.^[4] He finished in the top-ten in both races.^{[citation needed]}

Siegel would return to the championship for the first two rounds of the 2020 season once again driving for Jay Howard Driver Development.^[5] He would have a best finish of sixth in his final race.^{[citation needed]}

On February 13, 2019, it was announced Siegel would compete full-time in the 2019 U.S. F2000 National Championship for Newman Wachs Racing.^[6] He would finish fifteenth in the championship.^{[citation needed]}

Siegel returned to the championship in 2020 and switched teams to drive for Jay Howard Driver Development.^[7] He took two podiums at Mid-Ohio and finished 13th in the standings.^{[citation needed]}

In January 2021, it was announced Siegel would return for a third season in 2021 driving for DEForce Racing.^[8][9] He would get his first win in the third race held at New Jersey Motorsports Park. He would finish the season eighth in the standings.^{[citation needed]}

During 2021, Siegel would make his Indy Pro 2000 debut at Gateway Motorsports Park driving for DEForce Racing.^[10] He would impress by finishing fifth.^{[citation needed]}

DEForce Racing announced Siegel would move up to the series full-time in 2022.^[11] At the first round held at St. Petersburg, he would take his maiden win by beating competitor Louis Foster on a late restart.^[12] Siegel would dominate the second race held at Barber Motorsports Park starting from pole and leading the race from start to finish.^[13] Ultimately, he would end up finishing fourth in the championship due to inconsistency during the middle and latter stages of the season.^{[citation needed]}

On September 8, 2022, it was announced Siegel would make his Indy Lights debut at final round held at Laguna Seca driving for HMD Motorsports with Dale Coyne Racing.^[14]

Siegel announced in October 2022 he would make the jump up to Indy NXT full-time for 2023, remaining at HMD Motorsports with Dale Coyne Racing.^[15] He would finish the season third in points, having won two races and scored a total of five podiums. With this, he also became the season's top rookie.^{[citation needed]}

For the 2024 season, Siegel and HMD reunited for a title assault. At the opening round in St. Petersburg, the Californian scored pole and started out his season with a lights-to-flag victory.^[16]

In 2023, Siegel took part in the LMP2 class of the Asian Le Mans Series, driving for Inter Europol Competition.^[17] Partnering Charles Crews and Christian Bogle, Siegel managed to impress, leading his team to victory at Dubai by passing Charlie Eastwood in the final stint, though two retirements in the four-round season meant a lowly fifth place in the standings.^[18] He competed in various other sportscar races throughout the year, notably winning two LMP2 class races in the IMSA SportsCar Championship.^[19]

For 2024, Siegel would make his debut at the 24 Hours of Le Mans, pairing up with Oliver Jarvis and Bijoy Garg at United Autosports.^[20]

Siegel's first IndyCar test came in January 2024, for Dale Coyne Racing at the Homestead-Miami Speedway.^[21]

On March 5, 2024, it was announced Siegel would compete part-time in the No. 18 Honda entry for Dale Coyne Racing, sharing his seat with Jack Harvey. Siegel would partake in the four events which do not clash with his Indy NXT commitments, including the Indianapolis 500.^[22] However, Nolan failed to qualify for the Indy 500 after crashing during his final qualifying attempt.^[23]

On June 7, 2024, it was announced that Siegel would substitute for Agustín Canapino at the upcoming race at Road America following abuse on social media directed at Théo Pourchaire after the two made contact during the Detroit Grand Prix a week prior, with Canapino having taken a "leave of absence".^[24][25]

On June 18, 2024, it was announced that Pourchaire had been dropped by the Arrow McLaren team, with the team signing Siegel in his place.^[26] Siegel made his debut with the team at the Monterey Grand Prix, where he struggled throughout the weekend, running in 26th at one point after spinning into the gravel; he took advantage of numerous driver errors to finish in twelfth.^[27]

In addition to racing, Siegel earned a pilot's license during his time living in Indianapolis, citing convenience for travel to Midwest race events and a personal interest in flying.^[21]

Siegel was admitted to Stanford University but deferred enrollment to pursue his professional racing career.^[21]