Mikołaj Ronczewski

PolandPolandActive
Born
Oct 25, 2006 (20 years old)
Events
400 m hurdles · 300 Metres Short Track

Mikołaj Ronczewski is a Poland sprinter, born on October 25, 2006. He competes primarily in the 100m, 200m and 400m.

His personal bests include 11.32 in the 100m, 22.18 in the 200m, 48.87 in the 400m, 54.01 in the 400mH and 3:20.25 in the 4x400m. He is currently active on the international athletics circuit, representing Poland.

Personal best · 400 m hurdles54.01
2026 season best55.88Jun 13, 2026
Personal best · 300 Metres Short Track35.22
Last competitionPolish U23 ChampionshipsJul 11, 2026 · 51.24

As of Nov 13, 2026: 400 m hurdles 54.01, 300 Metres Short Track 35.22, 2026 season best 55.88 (Jun 13, 2026) · Last competition: Polish U23 Championships, Jul 11, 2026, 51.24 · 20 years old

DisciplineResultAll-time2026
100mJelenia Góra 2024Poland 100 m all-time list11.32794 pts––
200mJelenia Góra 2024Poland 200 m all-time list22.18*901 pts––
400mWloclawek 2025Poland 400 m all-time list48.87927 pts––
400mHRadom 2024Poland 400 m hurdles all-time list54.01940 pts––
4x400mWloclawek 2025Poland 4 × 400 m all-time list3:20.25––
LJIndoorWrocław 20266.71860 pts––

* Wind-assisted (> 2.0 m/s)

Progression

FAQ

Frequently asked questions

Mikołaj Ronczewski's 400 m hurdles personal best is 54.01, set on Jul 27, 2024 in Stadion im. Marszałka Józefa Piłsudskiego, Radom (POL).

Mikołaj Ronczewski competes in the 400 m hurdles and 300 Metres Short Track.

2026 season best: 55.88, set on Jun 13, 2026. Last competition: Polish U23 Championships on Jul 11, 2026, 51.24.