SY
Sejin Yun

Sejin Yun

KORKORWomen
Birth dateDec 6, 2001
Height-
Weight-

Sejin Yun is a South Korea thrower, born on December 6, 2001. She competes primarily in the JT and JavelinThr.

Her personal bests include 53.24 in the JT and 42.89 in the JavelinThr. She is currently active on the international athletics circuit, representing South Korea.

Key facts
Javelin Throw
53.24
2026 season best
48.40
Mar 26, 2026 · Gimhae Stadium, Gimhae (KOR)
2026 season best
Last competition
KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae
Mar 26, 2026 · 48.40
KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae
Age
24 years old

As of Oct 3, 2026: Javelin Throw 53.24, 2026 season best 48.40 (Mar 26, 2026, Gimhae Stadium, Gimhae (KOR)) · Last competition: KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae, Mar 26, 2026, 48.40 · 24 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
JT
48.40-Mar 26, 2026
↓
KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae
2025
JT
53.24-Jun 5, 2025
↓
53rd Flag of KBS National Athletics Meeting, Yecheon Stadium, Yecheon
2024
JT
49.97-May 22, 2024
↓
Naju KTFL National Club Athletics Meeting, Naju Sports Complex, Naju
2023
JT
50.63-Mar 30, 2023
↓
78th National University Athletics Championships, Iksan Stadium, Iksan
2022
JT
49.83-Oct 10, 2022
↓
Ulsan (KOR)
2020
JT
45.20-Jul 26, 2020
↓
Yecheon (KOR)
2019
JT
48.74-Jul 28, 2019
↓
Jamsil, Seoul (KOR)
2018
JavelinThr
42.89-Apr 24, 2018-Gwangju (KOR)
2018
JT
46.07-Jun 16, 2018
↓
Yecheon (KOR)

2026

1 performance
DisciplineResultWindDateCompetitions
JT
48.40-Mar 26KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae

2025

13 performances
DisciplineResultWindDateCompetitions
JT
48.56-Oct 20106th National Sports Festival, Busan Asiad Stadium, Busan
JT
48.00-Jul 82025 Beak-Je Wangdo Iksan National Athletics Meeting, Iksan Sports Complex, Iksan
JT
48.77-Jul 2Flag of KTLF President National Club Athletics Meeting 2025, Seocheon Sports Complex, Seocheon
JT
48.77-Jul 1Flag of KTLF President National Club Athletics Meeting 2025, Seocheon Sports Complex, Seocheon
JT
49.50-Jun 2379th Korean Championships
JT
49.50-Jun 2179th Korean Championships
JT
53.24-Jun 553rd Flag of KBS National Athletics Meeting, Yecheon Stadium, Yecheon
JT
45.85-May 2154th National Division Athletics Championships, Miryang Sports Complexs, Miryang
JT
49.25-May 1Naju KTFL National Club Athletics Championships 2025, Naju Sports Complex, Naju
JT
49.25-Apr 30Naju KTFL National Club Athletics Championships 2025, Naju Sports Complex, Naju
JT
51.19-Apr 21National Selection Meeting for 2025 Gumi Asian Athletics Championships, Gumi Civic Stadium, Gumi
JT
45.68-Apr 2Gimhae KTFL National Club Athletics Meeting, Gimhae Stadium, Gimhae
JT
45.68-Apr 1Gimhae KTFL National Club Athletics Meeting, Gimhae Stadium, Gimhae

2024

11 performances
DisciplineResultWindDateCompetitions
JT
46.66-Sep 1135th National Club Athletics Meeting, Seocheon Sports Complex, Seocheon
JT
46.66-Sep 1035th National Club Athletics Meeting, Seocheon Sports Complex, Seocheon
JT
47.15-Jul 92024 Iksan National Athletics Meeting, Iksan
JT
47.15-Jul 72024 Iksan National Athletics Meeting, Iksan
JT
49.45-Jun 2578th Korean Championships, Jeongseon Sports Complex, Jeongseon
JT
47.24-Jun 1653rd National Division Athletics Championships, Mokpo Stadium, Mokpo
JT
47.24-Jun 1353rd National Division Athletics Championships, Mokpo Stadium, Mokpo
JT
49.97-May 22Naju KTFL National Club Athletics Meeting, Naju Sports Complex, Naju
JT
49.97-May 21Naju KTFL National Club Athletics Meeting, Naju Sports Complex, Naju
JT
47.79-Apr 2528th KTFL National Club Athletics Meeting, Mangma Athletic Competition Center, Yeosu
JT
47.79-Apr 2328th KTFL National Club Athletics Meeting, Mangma Athletic Competition Center, Yeosu

2022

5 performances
DisciplineResultWindDateCompetitions
JT
49.83-Oct 10National Games, Ulsan
JT
47.12-Jun 2KBS National Athletics Meeting, Yecheon
JT
49.11-May 25National University Meeting, Iksan
JT
43.01-Apr 21National Division Athletics Championships, Daegu - University Events
JT
42.85-Mar 31National Club Championships, Yeosu - University Events

2020

3 performances
DisciplineResultWindDateCompetitions
JT
45.20-Jul 2648th Flag of KBS National Athletics Meeting, Yecheon
JT
43.47-Jul 11Korean Division Championships, Yecheon
JT
42.06-Jun 28Korean U20 Championships, Jeongseon

2019

6 performances
DisciplineResultWindDateCompetitions
JT
45.56-Oct 9National Sports Games, Olympic Stadium, Seoul
JT
45.74-Aug 24International Throws Meeting, Mokpo
JT
48.19-Aug 12HS Meeting, Boeun - U20 Events
JT
48.74-Jul 28National Meeting, Jamsil, Seoul - U20 Events
JT
43.55-Jun 14KBS Cup Meeting, Kimchun - High School Events
JT
48.34-May 6Korean Division Championships, Chungju

2018

3 performances
DisciplineResultWindDateCompetitions
JT
43.53-Sep 15Mokpo International Throwers Meeting, Mokpo - High School Events
JT
43.08-Aug 13Boeun
JT
46.07-Jun 16Yecheon KBS Cup, Yecheon - U20 Events
Showing 1 - 50 of 52

Honours

No medals

FAQ

Frequently asked questions

What is Sejin Yun's Javelin Throw personal best?

Sejin Yun's Javelin Throw personal best is 53.24, set on Jun 5, 2025 in Yecheon Stadium, Yecheon (KOR).

Which events does Sejin Yun compete in?

Sejin Yun competes in the Javelin Throw.

How did Sejin Yun perform in 2026?

2026 season best: 48.40, set on Mar 26, 2026 in Gimhae Stadium, Gimhae (KOR). Last competition: KTFL Gimhae National Club Athletics Meeting, Gimhae Stadium, Gimhae on Mar 26, 2026, 48.40.