The 2025 Speedway of Nations 2 (SON2) was the 21st Team Under-21 World Championship season, organised by the FIM. The event took place on 3 October 2025 at the MotoArena in Toruà Â, Poland.
Poland were the defending champions having won the 2024 Speedway of Nations 2.
Germany won the title, with riders Norick Blödorn and Mario Häusl scoring 39 points. It was the first time Germany had won the Speedway of Nations 2/Speedway Under-21 World Championship. Denmark finished second, scoring 38 points, with Australia taking the final spot on the podium. Hosts Poland finished fourth, despite 16-year-old Maksymilian Paweà Âczak scoring 24 points.