Marius Nielsen

Marius Nielsen (born 20 January 2001) is a motorcycle speedway rider from Denmark.

Career
Nielsen rides in three of the four top European leagues. In the Danish Speedway League his rode for Holsted Tigers in 2022 and Fjelsted in 2023. He also rides in the Team Speedway Polish Championship for Ostrów and in the Swedish Speedway Team Championship for Indianerna.

During the 2021 Danish speedway season he helped Holsted become the Swedish champions. He reached the final of three successive Danish under 21 championships in 2020, 2021, and 2022.