Jiří Petr currently has a ranking of Expert Level A (week 36/2026), which is position TOP 100 among men in Czech. Jiří has run 33 scored trail races. The best scoring result achieved is several hundred RMT points on a course of ⨦ 22 km and + 1 200 m vertical during Krkonošský půlmaraton in 2021. They recently participated in Grossglockner Ultra-Trail 2026 and scored a lot of RMT points.