The 2025 12 Hours of Mugello (known as the 2025 Michelin 12 Hours of Mugello for sponsorship reasons) was a pair of endurance sportscar races held on the 22 and 23 March 2025, in Tuscany, Italy, as the first of five rounds of the 2025 24H Series. It was the eleventh running of the event, and the tenth running of the event as part of the 24H Series. Part 1 of the race was held on 22 March over a seven-hour distance. Part 2 on 23 March saw the race restarted where the previous race finished and ran for a further five-hours to make up a 12 hour total time. Part 1 was won by the Ebimotors Porsche team of Fabrizio Broggi, Sabino de Castro and Sergiu Nicolae. Best performer in Part 2 was the Era Motorsport Ferrari of Ryan Dalziel, Jake Hill, Dwight Merriman and Kyle Tilley. The Ebimotors Porsche team were the overall winners ahead of the Heart of Racing Mercedes-AMG team of Hannah Grisham, Ian James and Gray Newell. Third was the Era Motorsport Ferrari.
The event was announced on 24 September 2024 along with the rest of the 2025 24H Series calendar.
The entry list was announced on 14 March 2025, and features 32 entries over 4 classes â 15 in GT3, 3 in GTX, 11 in 992, and 3 in GT4.
Qualifying was split into three parts for all groups. The average of the best times per qualifying session determined the starting order. CCC Kessel Racing secured pole position with a combined average time of 1:47.092.
Pole position winners in each class are marked in bold.
The race was won overall by the No. 95 Manamauri Energy by Ebimotors Porsche 911 GT3 R (992) followed by the No. 27 Heart of Racing by SPS Mercedes-AMG GT3 Evo in second and the No. 81 Era Motorsport Ferrari 296 GT3 in third. The No. 8 CCC Kessel Racing Ferrari 296 GT3 crossed the finish line first but received a post race four-lap penalty due to a drive time infraction.
Class winners are in bold.
Class winners are in bold.