2025 Moto3 World Championship


The 2025 FIM Moto3 World Championship was the lightweight class of the 77th FIM Road Racing World Championship season. José Antonio Rueda won the championship title with four races to spare after winning the Grand Prix of Indonesia.

Teams and riders

All teams used series-specified Pirelli tyres.

Team changes

Rider changes

Mid-season changes

  • Jacob Roulstone missed the first two rounds of the season due to a neck injury sustained at a private training session. He was replaced by Joel Esteban.
  • Marcos Uriarte missed a lot of races starting from the Austin GP to the British GP due to an injury sustained in a crash at the Argentina GP. He was replaced by Jakob Rosenthaler at the Austin GP, then by Adrián Cruces from the Qatar GP to the French GP and by Max Cook at the British GP. Uriarte returned for the Aragon GP and will be replaced by Vicente Pérez from the Italian round onwards. Pérez will be replaced at Leonardo Abruzzo in Assen, due to a crash in Mugello that sustained in a broken right scaphoid and a fractured vertebra. Pérez returned to the next round in Sachsenring but missed the following round in Brno, and once again, was replaced by Leonardo Abruzzo. The Spaniard made his return at the Red Bull Ring, in Austria.
  • Máximo Quiles missed the first two rounds due to him being under the minimum age for riders who finish in the Top 3 of the 2024 FIM JuniorGP World Championship. He was replaced by Jakob Rosenthaler. Quiles would also then miss the Qatar and Jerez rounds after a medical check ahead of the former weekend revealed a thumb fracture, sustained during a pre-weekend training incident but initially overlooked. He was replaced by Joel Esteban.
  • Noah Dettwiler missed the first three rounds due to a left wrist injury sustained in the pre-season tests in Jerez. He was replaced by Adrián Cruces.
  • Matteo Bertelle will miss a number of rounds after being involved in an accident that resulted in a fracture of the right tibia and the left humerus. Vicente Pérez filled his seat from the Jerez round to the Aragon round and Marcos Uriarte will fill it from the Italian round onwards.
  • Boé Motorsports rookie Ruché Moodley missed the French round due to a crash with David Muñoz that involved in a right radius fracture for the South African. He was replaced by Jakob Rosenthaler. Moodley returned for the next GP, at Silverstone, but after a crash involved with Pérez and Riccardo Rossi in Mugello that sustained in several fractures in his elbow and in his shoulder blade, he will miss the Dutch GP. Jakob Rosenthaler returned to replace him. Moodley also missed the next GPs in Germany and Czech Republic, and was replaced by Leonardo Abruzzo in Sachsenring and by Red Bull Rookies Cup Argentinian rider Marco Morelli at Brno. The South African made his return at the next round in the Red Bull Ring, in Austria.
  • Adrián Fernández missed the British GP due to an injury to his leg from the previous round. He was replaced by Joel Esteban. Fernández returned to the Aragon GP.
  • Vicente Pérez and Marcos Uriarte swapped bikes from the Italian round onwards. Uriarte moved from the Honda of the MLav Racing team to the KTM of the Team MTA, replacing the injured Matteo Bertelle and Pérez moved from the KTM of the Team MTA, to return to the Honda of the MLav Racing team. After the Austrian GP, Pérez and the MLav Racing Team decided to part ways, so the team decided to bring back Leonardo Abruzzo from the Hungarian round onwards to race alongside O'Shea.
  • Luca Lunetta missed the German, Czech, Austrian and Hungarian rounds due to severe leg injury, a multiple fracture of tibia and fibula, in a crash during the Dutch round. He was replaced by Lenoxx Phommara for the Sachsering and Brno rounds, and by Irish star Casey O'Gorman for the Red Bull Ring and Balaton Park rounds.
  • Tatchakorn Buasri missed the Czech, Austrian and Hungarian rounds due to a shoulder injury at the German round. Arbi Aditama replaced him at the latter two rounds. Buasri also missed the following rounds until the Indonesian round, with Aditama continuing as his replacement. Buasri returned at the Australian GP.
  • Marco Morelli will race the remainder of the season with MLav Racing Team, starting at the Catalan round, taking the seat previously used by Vicente Pérez and Leonardo Abruzzo. With the exception of the Misano round, where he will participate in the Red Bull MotoGP Rookies Cup finale. Evan Belford will race in his place.
  • Zen Mitani will make his Moto3 debut at the Indonesian GP, as a replacement for Nicola Carraro, due to a muscle issue for the Italian at the Japanese GP.
  • Dennis Foggia will miss the Australian and Malaysian Grand Prix due to pneumonia before the Australian race weekend. He will be replaced in both races by Joel Esteban.
  • David Muñoz will miss the final races of the season due to a crash sustained in the Indonesian GP that caused a severe injury on his left femur. Brian Uriarte will make his Moto3 debut, as his replacement, for the Australian and Malaysian Grand Prix. For the last two rounds of the season, Muñoz will have a new replacement in Casey O'Gorman, who made his debut in Austria and Hungary, as a replacement for Lunetta.
  • Jacob Roulstone will miss the Portimao round due to an injury on his hand sustained on a crash during the practice in the previous round at Malaysia. He will be replaced once again, by Joel Esteban.
  • Hakim Danish will replace Ryusei Yamanaka for the last two rounds, as Yamanaka will miss these two races due to surgery on the left pinky finger for the Japanese rider.
  • Brian Uriarte will make team switch from the Intact GP to KTM Ajo as a replacement for the reigning World Champion José Antonio Rueda due to a hand injury sustained on the sighting lap of the Malaysian GP, in a crash with Noah Dettwiler. Rueda will miss the last two rounds of the season. Dettwiler will also miss the Portimao round and will not be replaced.
  • Joel Esteban will make another replacement once again for the injured Jacob Roulstone for the Portimao round, due to a fractured hand in the Malaysian GP. Esteban raced for Tech3 in the first two rounds of the season. He will be back in that bike after replacing Foggia in the two previous rounds.
  • Zen Mitani will replace Tatchakorn Buasri for the final two rounds of the season at Portimao and Valencia.
  • Riccardo Rossi will miss the final two rounds of the season due to surgery on his left knee. He will be replaced by Jesús Ríos.
  • Adrián Cruces made his comeback for the season finale at Valencia, as a replacement for the injured Noah Dettwiler.

Rule changes

Mid-season rule changes

  • From the start of Malaysian Grand Prix, riders wouldn't be allowed to rejoin qualifying sessions if they fall during the final three minutes. The same will apply to the Friday afternoon Practice session. In another small adjustment to the rules, riders have been instructed not warm up their tyres by means of zig-zagging in the pitlane.

Calendar

The following Grands Prix took place in 2025:
RoundDateGrand PrixCircuit
12 March

Results and standings

Riders' standings

;Scoring system
Points were awarded to the top fifteen finishers. A rider had to finish the race to earn points.
Position 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th
Points252016131110987654321

Constructors' standings

Each constructor was awarded the same number of points as their best placed rider in each race.

Teams' standings

The teams' standings were based on results obtained by regular and substitute riders; wild-card entries were ineligible.