PTG Energy Public Company Limited (PTG), in collaboration with S 63 Project Co., Ltd. and its strategic partners, held a press conference to launch the 2025 season of the premier circuit racing event, “PT MAXNITRON RACING SERIES.” This high-profile competition aims to discover the nation’s top circuit racing drivers, with the prestigious Royal Trophy graciously bestowed by Her Royal Highness Princess Maha Chakri Sirindhorn and total prize money exceeding 1,000,000 Baht.
The 2025 series is divided into five racing classes:
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SIAM GT Series 2025
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SIAM TRUCK Series 2025
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SIAM 1500 GROUP A Series 2025
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SIAM 1500 GROUP N Series 2025
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SIAM ECO Series 2025
The championship will be contested over three rounds comprising a total of seven races:
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Round 1: PT MAXNITRON RACING SERIES (Races 1–2)
June 6–8, 2025
Chang International Circuit, Buriram Province
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Round 2: PT MAXNITRON RACING SERIES (Races 3–5)
August 29–31, 2025
Chang International Circuit, Buriram Province
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Round 3: PT SONGKHLA GRAND PRIX (Races 6–7)
October 16–19, 2025
Temporary PT Songkhla Grand Prix Street Circuit, Songkhla Province
This year, the series receives strong backing from Ford Thailand and Goodyear, who have jointly provided the Ford Ranger MS-RT to serve as the official Safety Car for the entire 2025 racing season.
