Niels Koolen Bio
Niels Koolen (born 25 May 2001) is a Dutch racing driver who currently competes in the 2025 Indy NXT series with Chip Ganassi Racing. A relative latecomer to single-seater racing, Koolen has built a versatile résumé that spans Formula 4, Formula Regional, Eurocup-3, the FIA Formula 2 Championship, the European Le Mans Series, and Indy NXT. He is the son of rally raid driver and businessman Kees Koolen, a family connection that helped shape his early interest in motorsport. Across these disciplines, Koolen has shown steady development while adapting to several different racing formats.
Early Life and Background
Niels Koolen was born on 25 May 2001 in Vorden, Gelderland, in the Netherlands. Growing up in a household shaped by motorsport, he was exposed to racing through the career of his father, Kees Koolen, a rally raid driver who later transitioned into business. That connection gave Niels an early view of professional competition, even though his own path into cars came later than many of his peers.
Before turning his focus to circuit racing, Koolen built his foundation in karting, where he developed the car control and racecraft that would later support his move into single-seaters. Like many young Dutch drivers, he came through a national karting scene known for producing technically sharp competitors. His eventual switch to cars came only after karting was interrupted by the COVID-19 pandemic, which delayed the early stage of his junior career.
Path to NASCAR
There is no verified record of Niels Koolen competing in NASCAR or its national series ladder, and no source supports a documented pathway toward stock car racing. His career to date has been built entirely in open-wheel and endurance formats, including Formula 4, Formula Regional, Eurocup-3, FIA Formula 2, the European Le Mans Series, and Indy NXT. Because a transition to NASCAR cannot be supported with verified information, this section is omitted.
Niels Koolen Career
Early Career (2022–2023)
Koolen made his car racing debut in 2022 at the relatively late age of 21, joining Monlau Motorsport for Round 6 of the 2022 F4 Spanish Championship. He contested the final two rounds of the 2022 Italian F4 Championship with the same team, racing under a Belgian license. The campaign was a learning year that introduced him to the demands of formula car competition.
In early 2023, it was announced that Koolen would race for VAR-Pinnacle Motorsport in the 2023 Formula Regional Middle East Championship. Later that year he signed with the Dutch-based Van Amersfoort Racing to contest the 2023 Formula Regional European Championship, lining up alongside Joshua Dufek and Kas Haverkort. He struggled to match his teammates, ended the standings 37th, and recorded a best finish of 19th. He also entered two Eurocup-3 rounds at Jerez and Estoril in 2023, but did not score points in either outing.
Indy NXT Breakthrough (2024–2025)
Koolen moved to Indy NXT in 2024 with HMD Motorsports, marking his entry into the American open-wheel ladder. In the opening race at the Indianapolis Motor Speedway road course he finished 10th, which remained his best result of the season. The campaign gave him a first full year of American racing and exposed him to ovals and a packed calendar.
For 2025, Chip Ganassi Racing signed Koolen to run the full Indy NXT season, elevating him into one of the most established teams in the paddock. He finished eighth in the championship standings, recording a best result of fifth at Iowa Speedway. The move to a championship-contending team reflected the progress he made during his rookie year.
FIA Formula 2 Championship (2024)
In August 2024, after Taylor Barnard vacated his Formula 2 seat, AIX Racing drafted Koolen to contest the Monza and Baku rounds alongside Joshua Dürksen. He finished 19th in both the Monza sprint and feature races. After the Baku weekend, AIX Racing confirmed that Koolen would not return for the final two rounds of the season, ending a brief but valuable introduction to the FIA Formula 2 Championship.
European Le Mans Series (2024)
Alongside his 2024 Indy NXT campaign, Koolen made his endurance racing debut in the 2024 European Le Mans Series with the Duqueine Team. The program added prototype racing to his résumé and gave him experience of multi-class, long-distance competition. It also marked his most recent verified appearance in the series.
Chip Ganassi Racing Era (2025–Present)
Koolen’s 2025 move to Chip Ganassi Racing confirmed his place in one of Indy NXT’s top programs. Driving the No. 10 entry, he delivered a season highlighted by a fifth-place finish at Iowa Speedway and a final standing of eighth in points. The campaign signaled a clear step forward after his learning year with HMD Motorsports.
Notable Races and Milestones
His career milestones include a 10th-place finish on the Indianapolis Motor Speedway road course in his 2024 Indy NXT debut, a best result of fifth at Iowa Speedway in 2025, and his endurance debut with Duqueine Team in the 2024 European Le Mans Series. Each step reflected a deliberate broadening of his racing experience across formats and continents.
Niels Koolen Family
Family Background and Racing Lineage
Niels Koolen is the son of Kees Koolen, a Dutch rally raid driver who later built a career as a businessman. Kees’s background in long-distance off-road competition provided Niels with an early connection to motorsport and an understanding of the professional demands of the sport. That lineage shaped Niels’s decision to pursue racing, even though he chose a different discipline from his father.
Personal Life
Public information about Niels Koolen’s personal life is limited. He was born and raised in Vorden, Gelderland, in the Netherlands, and continues to represent Dutch motorsport on the international stage.
2025 Season Performance
Niels Koolen’s 2025 season centers on his first full campaign with Chip Ganassi Racing in Indy NXT. Driving the No. 10 entry, he adapted quickly to one of the series’ benchmark teams and delivered consistent point-paying results. The move validated the progress he made during his 2024 rookie year with HMD Motorsports.
His best result came at Iowa Speedway, where he finished fifth and secured his strongest weekend of the season. That performance highlighted his comfort on ovals and his ability to extract pace from the team’s package. Across the year, he consistently challenged for top-ten finishes, reflecting a more polished racecraft than in his rookie campaign.
Koolen closed the 2025 Indy NXT season eighth in the championship standings, a result that underlined his growth and positioned him as a prospect to watch. With a full season of Chip Ganassi Racing machinery behind him and additional experience from his 2024 Formula 2 cameo with AIX Racing, his development arc continues to point upward.
