Jae-hyeok Ko
- Born
- Jun 4, 2005 (21 years old)
- Events
- 400 m
Jae-hyeok Ko is a South Korea sprinter, born on June 4, 2005. He competes primarily in the 200m, 400m and 4x400m.
His personal bests include 22.89 in the 200m, 48.72 in the 400m and 3:21.20 in the 4x400m. He is currently active on the international athletics circuit, representing South Korea.
Personal best · 400 m48.72
2025 season best50.82Apr 30, 2025 · Naju Sports Complex, Naju
Last competition1st Flag of KUAF National University Athletics Meeting, Naju Sports Complex, NajuApr 30, 2025 · 50.82
As of Oct 28, 2026: 400 m 48.72, 2025 season best 50.82 (Apr 30, 2025, Naju Sports Complex, Naju (KOR)) · Last competition: 1st Flag of KUAF National University Athletics Meeting, Naju Sports Complex, Naju, Apr 30, 2025, 50.82 · 21 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 400m | 50.82 | – | Apr 30, 2025 | 1st Flag of KUAF National University Athletics Meeting, Naju Sports Complex, Naju |
| 2024 | 200m | 22.90 | -0.4 | Apr 13, 2024 | 79th National University Athletics Championships, Yecheon Stadium, Yecheon |
| 2024 | 400m | 49.85 | – | May 3, 2024 | 52nd Flag of KBS National Athletics Meeting, Yecheon Stadium, Yecheon |
| 2024 | 4x400m | 3:21.20 | – | Jun 17, 2024 | 53rd National Division Athletics Championships, Mokpo Stadium, Mokpo |
| 2023 | 200m | 22.89 | +0.6 | Apr 10, 2023 | 37th National Sports High School Games, Gyungbuk Sports High School, Gyungbuk |
| 2023 | 400m | 48.72 | – | Aug 5, 2023 | 52nd Fall National Middle & High School Athletics Meeting |
| 2022 | 400m | 49.42 | – | Oct 9, 2022 | Ulsan (KOR) |