Jaume Masia defended his World Supersport championship lead with the narrowest of wins in a chaotic final lap at Assen, crossing the line just 0.080 seconds ahead of closest points rival Albert Arenas in a Race 1 that was decided by the final chicane.
The TT Circuit's reputation for last-lap drama was honoured in full. The lead changed hands repeatedly across the closing laps, with Arenas producing one of the passes of the weekend by launching from fourth to first through the last sector of the penultimate lap and the opening sector of the last.
"Here goes Arenus from fourth to first through the last sector of the penultimate lap and the first sector of the last," the commentary team noted as the Spaniard carved through a pack also containing Lucas Mahias and Tom Booth-Amos, who had been scrapping for the podium places in their own private war.
Masia, the 2023 Moto3 champion and a rookie in the class, refused to fold. The Orelac Racing VerdNatura rider shadowed Mahias through the final sector before diving down the inside of his own friend and compatriot at the final chicane, forcing the Frenchman wide. By the exit of the last corner, it was a straight Masia–Arenas drag to the flag.
"Masia putting it all on the line to pass Lucas, and now a chance to go for the victory into the chicane for the final time. Masia is through. Arena cuts back in in second place," the commentary team called. "Masia victorious over Alberto Arenas to defend the world championship lead against his closest points rival."
Behind them, Tom Booth-Amos produced the ride of the race to recover from a qualifying penalty and steal third on the final lap, snatching the position from Mahias at the chicane. "Tom Booth-Amos — where's he come from on the final lap to get himself up into fourth spot? Great ride from him," was the initial reaction, before the Briton pushed one place further when Dehaes ran wide across the green paint on the exit of the final corner.
Dehaes, who had been in the lead pack until the last 400 metres, lost two positions in the closing sequence and dropped out of the podium picture altogether. Mahias, a former WorldSSP champion, ended up a frustrated fifth, beaten by his own teammate Masia and a Booth-Amos lunge he could not answer.
Dominique Aegerter was arguably the story of the race behind the podium. The Swiss veteran, in his first season on the Kawasaki ZX-6R, dragged the Japanese manufacturer back into the lead-group conversation, crossing the line less than a second behind Masia. "A storming performance from Dominic Aegerter on the Kawasaki. Little bit of good fortune in the final third, but still comes away less than a second from the race winner," the commentary team observed. "That will give him an awful lot of heart."
The stewards had a closer look at the final-corner skirmish between Dehaes and Booth-Amos, but the provisional classification stood.
For Masia the win is another statement result in what is shaping into a class-by-class takeover for the Spaniard. He now heads to Most with Arenas in hot pursuit and a World Supersport title fight that already looks like a two-way scrap between two riders who were team-mates in the Moto3 paddock. For Aegerter and Kawasaki, the result is a reminder that WorldSSP 2026 is not simply a Yamaha–Ducati party.
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