[2] The season marked the debut of the new-generation LMP3 cars.
[3] The provisional calendar for the 2025 season was announced on 2 October 2024.
[1] Silverstone Circuit was added to the calendar for the first time, replacing the round at Mugello.
All cars in the LMP3 class use the Toyota V35A 3.5 L twin-turbo V6 engine and Michelin tyres.
[3] Entries in the LMP3 Pro-Am class, set aside for teams with a Bronze-rated driver in their line-up, are denoted with icons.