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.

F1 Academy has unveiled the calendar for the 2026 season, which, once again, features seven rounds in support of the FIA Formula One World Championship, including the series’ first-ever appearance at Silverstone.

The Birelart factory continues its successful partnership with BRP-Rotax at the Rotax Max Challenge Grand Finals, held in the magical setting of the Bahrain circuit. The Italian manufacturer was once again chosen for its high-end products, rigour, flawless logistics and quality of service to supply the chassis for the Micro Max category in the colours of Charles Leclerc, Rotax DD2 labelled Birelart and Rotax DD2 Master embodied by the new Barichello Kart brand. 144 drivers delivered exciting races thanks to perfect sporting fairness at the wheel of chassis produced in Lissone.

The 21st season of the ProKart Challenge concluded this past October, completing the five events with six rounds of competition for the Superkarts! USA regional program. Eleven different class champions were crowned following the action at the K1 Circuit finale event.