Leon Daniel Madsen (born 5 September 1988)[1] is a Danish speedway rider who is twice a World Championship silver medalist.

[2][3] Born in Vejle, Madsen won the 80cc junior World Championship in 2001.

In 2022, he returned to top form, winning the European Championship for the second time and once again finising runner-up behind Bartosz Zmarzlik in the 2022 Speedway Grand Prix.

[4] In 2023, he was part of the Danish team that won the bronze medal in the 2023 Speedway World Cup final.

[8] Madsen's 2024 season was overshadowed by family problems[9] and injury issues before he finally finished 9th in the world championship.