For the first time since 2019, France hosted the UIM Circuit Endurance S3 World Championship, which on this occasion was held as a single round consisting of three races in the picturesque town of Poses, Normandy, on the River Seine.
In a revised 24 hours format spread over three days of racing, eleven international teams took part in the competition starting by the gruelling twelve-hour Race 1 on Friday, 1 May, which included a much-anticipated nigh racing session to close the day.

Boat n°2 of Team Touax MRK Racing, with Nelson Morin, Peter Morin, and Thomas Cleret, took the first win with 505 laps, finishing ahead of Team Torpilleurs Racing (boat n°9; Pierre Lambert, Romain Nédélec, Alexandre Jean) and Team Inshore Performance, the defending World Champions (boat n°1; Alexis Fischer, Loïc Huet, Aymeric Troussel), making it an all-French top three in Race 1.
Boat n° 38 of Monsnauteam, with its all-new line-up featuring the two Swedes Hilmer Wiberg and Adam Wrenkler, joining forces with Belgians Benjamin Berti and Maverick Grolet, took a brilliant win in the seven-hour Race 2 on Saturday, 2 May, finishing ahead of Team Touax MRK Racing and Team Torpilleurs Racing.
On Sunday, 3 May, Team Touax MRK Racing secured the world title in style by winning Race 3 after five hours of racing. Monsnauteam finished second, while boat No. 69 of the Akvashelf Racing Team, featuring Latvians Tom Smilskalns and Niklavs Rimeicans, teamed up with Lithuanians Nida Kilinskaite and Paulius Stainys, claimed its first top-three finish of the championship.
