Niels Koolen returns to Chip Ganassi Racing in 2026, competing for the INDY NXT by Firestone championship driving the No. 10 Super B Batteries car.

In 2025, Koolen took impressive steps forward, scoring xx podiums (other important milestones/races/championship finish)

Koolen’s 2024 season included nine INDY NXT starts, appearances in Formula 2 and the European Le Mans Series. That followed Formula 4 starts across the world in 2023 and 2022.

He began his karting career in 2016 competing over the next four years across Europe and the world.