Hae-jin Jeong
- Born
- Feb 12, 2009 (17 years old)
- Events
- 100 m · 200 m
Hae-jin Jeong is a South Korea sprinter, born on February 12, 2009. She competes primarily in the 100m, 200m and 400m.
Her personal bests include 12.50 in the 100m, 26.02 in the 200m, 60.48 in the 400m and 3:41.23 in the 4x400Metre. She is currently active on the international athletics circuit, representing South Korea.
Personal best · 100 m12.50
2026 season best12.64May 11, 2026 · Jeongseon Sports Complex, Jeongseon
Personal best · 200 m26.02
Last competitionKorean U18 ChampionshipsMay 11, 2026 · 12.64
As of Nov 14, 2026: 100 m 12.50, 200 m 26.02, 2026 season best 12.64 (May 11, 2026, Jeongseon Sports Complex, Jeongseon (KOR)) · Last competition: Korean U18 Championships, May 11, 2026, 12.64 · 17 years old
Personal bests
WA points calculator →DisciplineResultAll-time
4x400MetreMokpo 20233:41.23–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 12.64 | +1.3 | May 11, 2026 | Korean U18 Championships |
| 2025 | 100m | 12.58 | -0.1 | Jun 22, 2025 | Korean U18 Championships |
| 2025 | 200m | 26.15 | -1.3 | Jun 23, 2025 | Korean U18 Championships |
| 2025 | 400m | 60.48 | – | Jun 8, 2025 | 53rd Flag of KBS National Athletics Meeting, Yecheon Stadium, Yecheon |
| 2024 | 100m | 12.50 | +0.2 | Jun 15, 2024 | 53rd National Division Athletics Championships, Mokpo Stadium, Mokpo |
| 2024 | 200m | 26.02 | -0.8 | Jun 16, 2024 | 53rd National Division Athletics Championships, Mokpo Stadium, Mokpo |
| 2023 | 100m | 12.75 | -0.6 | Jul 8, 2023 | Iksan Stadium, Iksan (KOR) |
| 2023 | 200m | 26.32 | -0.4 | Jul 17, 2023 | Flag of KJAF President National Middle & High School Championships |