Sem and Maurits Knopjes have both been crowned world champions at the 2025 Rotax Max Challenge Grand Finals in Bahrain. Sem clinched the world title in the DD2 category, while his father Maurits secured the championship in the E20 Masters class. It is the first time in the event’s history that a father and son claimed world titles in the same year.

Creating a thrilling spectacle in the heart of the desert in the Kingdom of Bahrain, the 2025 Rotax MAX Challenge Grand Finals (RMCGF) once again delivered world-class motorsport at its finest. The race event, which brought together the crème de la crème of Rotax racers from around the world, was a true showcase of outstanding skill, fierce competition, and a joyful celebration of fellowship in the mesmerizing Kingdom of Bahrain.

What an incredible week it has been here in the Kingdom of Bahrain for the RMC Grand Finals 2025. The atmosphere was absolutely electrifying, filled with anticipation, emotion, and world-class racing. Under the intense Bahraini sun, the heat on track was even higher as the Finals began: from the thrilling battles of the E20 E-Kart classes, to the young talents of Micro MAX and Mini MAX, through the fiercely competitive Junior and Senior MAX categories, all the way to the high-speed action of DD2 and DD2 Masters.

Qualifying Practice, Heat Races, and Pre-Finals are now in the books, and the only session that remains of any importance is the Finals on Saturday. With RMC Grand National Championship titles on the line, one of the best days of the year in all of karting happens tomorrow.

A strong field of 228 drivers across 6 categories gathered in Laval from September 18 to 21 for the 3rd and final round of the 2025 NSK. The weekend delivered a spectacular show to crown the new champions of France’s premier karting series.