Leon Madsen was born in 1988. He is a Danish pro-speedway rider who rides in Polish, Sweden, Denmark, English and German leagues. Madsen won the 80cc junior World Championship in 2001. In the Polish league starts continuously since 2006. In 2011-2013 he represented the Unia Tarnów Speedway Club. In 2015 he returned to Tarnów and represented this club also in 2016. End of September 2016 was held a meeting with speedway rides and fans. Meeting was ending last speedway season. Card was signed during this meeting. Card is a part of set 2013 Unia Tarnów Speedway Cards.