Martyna Maciejewska is a Polish snowboarder specializing in freestyle disciplines, such as slopestyle and big air.

Throughout her career, she has achieved significant results, representing the Freestyle Club x Michał Ligocki.

In March 2019, she placed 9th in slopestyle at a FIS competition in the Czech Republic, earning 37.60 points. In February 2019, she competed in the European Cup in Białka Tatrzańska, finishing 8th in big air, with her best score of 94 points in the second run.

The year 2021 was particularly successful for Martyna. In February, she secured 2nd place in slopestyle at a FIS event in Krynica-Zdrój, scoring 19.36 points. Later, at the Polish Championships in Czarny Groń, she claimed the gold medal in big air and the silver medal in slopestyle, solidifying her position among the top Polish freestyle snowboarders. In March 2023, at the Polish Championships on Gubałówka in Zakopane, she won silver medals in both big air and slopestyle, continuing her impressive performances on the national freestyle scene.