Justyna Grzelak currently has a ranking of Advanced Level B+ (week 23/2026), which is position TOP 10K among women in Poland. Justyna has run 38 scored trail races. The best scoring result she achieved is several hundred RMT points on a course of ⨦ 168.5 km and + 9 500 m vertical during UTMB in 2017. She recently participated in Rudawy Wiosenny Festiwal Biegowy 2026 and scored a lot of RMT points.