Bio:  Justyna Jarczok is a 23-year-old Polish endurance cyclist from Wrocław, focusing primarily on MTB and off-road ultra-distance racing, with gravel and bikepacking as complementary disciplines. Her riding is strongly rooted in mountain biking, which gives her an advantage on technical, rough, and unpredictable terrain.
 

She is known on the international ultra scene for her steady performance in long self-supported races, highlighted by victories at Bright Midnigh in Norway and the women’s win at the Dales Divide in the UK.
 

Jarczok stands out for combining technical MTB skills with strong endurance capacity, making her a competitive rider in demanding mixed-terrain ultra events.