JM
Jonasz Mertka

Jonasz Mertka

POLPOLMen
Birth dateMay 29, 1999
Height-
Weight-

Jonasz Mertka is a Poland thrower, born on May 29, 1999. He competes primarily in the JT and JavelinThr.

His personal bests include 71.88 in the JT and 60.39 in the JavelinThr. He is currently active on the international athletics circuit, representing Poland.

Key facts
Javelin Throw
71.88
2026 season best
66.22
May 23, 2026 · Athletics Stadium, Lublin (POL)
2026 season best
Last competition
Polish Championships
Jul 24, 2026 · 64.78
Polish Championships
Age
27 years old

As of Sep 22, 2026: Javelin Throw 71.88, 2026 season best 66.22 (May 23, 2026, Athletics Stadium, Lublin (POL)) · Last competition: Polish Championships, Jul 24, 2026, 64.78 · 27 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
JT
66.22-May 23, 2026
↓
Akademickie Mistrzostwa Polski
2025
JT
71.12-May 4, 2025
↓
Mityng okręgowy WZLA w Poznaniu
2024
JT
71.88-May 25, 2024
↓
Polish Univeristy Championships, Stadion BOSiR, Białystok
2023
JT
69.58-May 20, 2023
↓
Polish Univeristy Championships
2022
JT
70.17-Jun 11, 2022
↓
Polish Championships
2020
JT
62.52-Sep 15, 2020
↓
Akademicki Związek Sportowy, Łódź (POL)
2019
JT
64.87-Jun 29, 2019
↓
Lublin (POL)
2018
JT
61.41-Jun 24, 2018
↓
Wloclawek (POL)
2017
JT
64.57-May 6, 2017
↓
Aleksandrów Łódzki (POL)
2015
JavelinThr
60.39-Aug 6, 2015-Łódź (POL)

2026

7 performances
DisciplineResultWindDateCompetitions
JT
64.78-Jul 24Polish Championships
JT
61.88-Jun 20Warszawski Mityng Ogólnopolski
JT
63.68-Jun 14Janusz Sidlo Memorial Grand Prix of Sopot
JT
66.16-Jun 6Gorzów Meeting
JT
66.22-May 23Akademickie Mistrzostwa Polski
JT
55.16-May 23Akademickie Mistrzostwa Polski
JT
55.16-May 22Akademickie Mistrzostwa Polski

2022

6 performances
DisciplineResultWindDateCompetitions
JT
65.02-Jun 16Memorial Grzegorz Dunecki, Stadion Miejski, Toruń
JT
70.17-Jun 11Polish Championships
JT
65.59-May 21Polish University Championships, Golęcin Stadion, Poznan
JT
63.51-May 20Polish University Championships, Golęcin Stadion, Poznan
JT
60.42-May 7Regional Meeting, Stadion SOSiR, Słupsk
JT
58.81-May 3Mityng Otwarcia Sezonu WMZLA, Uniwersytetu Warmińsko-Mazurskiego, Olsztyn

2020

4 performances
DisciplineResultWindDateCompetitions
JT
62.52-Sep 15Polish University Championships, Akademicki Związek Sportowy, Łódź
JT
53.78-Sep 14Polish University Championships, Akademicki Związek Sportowy, Łódź
JT
61.97-Jun 27Athletics League, Stadion Zygmunta Szelesta, Warszawa
JT
60.73-Jun 17Anniversary Meeting, Stadion Miejski, Chełmno

2019

6 performances
DisciplineResultWindDateCompetitions
JT
64.87-Jun 29Polish U23 Championships, Lublin
JT
63.81-Jun 2LZS Ch., Zamość
JT
64.10-May 25Polish University Championships, Łódź
JT
62.37-May 24Polish University Championships, Łódź
JT
58.03-May 12LA Meeting, Toruń
JT
60.33-May 4Opening Meet, Bialogard

2018

2 performances
DisciplineResultWindDateCompetitions
JT
53.92-Sep 2Aleksandrów Łódzki
JT
61.41-Jun 24Włocławek Polish U20 Championships, Wloclawek
Showing 1 - 50 of 54

Honours

No medals

FAQ

Frequently asked questions

What is Jonasz Mertka's Javelin Throw personal best?

Jonasz Mertka's Javelin Throw personal best is 71.88, set on May 25, 2024 in Stadion BOSiR, Białystok (POL).

Which events does Jonasz Mertka compete in?

Jonasz Mertka competes in the Javelin Throw.

How did Jonasz Mertka perform in 2026?

2026 season best: 66.22, set on May 23, 2026 in Athletics Stadium, Lublin (POL). Last competition: Polish Championships on Jul 24, 2026, 64.78.