Il Sim Jon
- Events
- Marathon · 10 Kilometres Road
Il Sim Jon is a North Korea long-distance runner. He competes primarily in the 3000m, 5000m and Marathon.
His personal bests include 10:07.5h in the 3000m, 16:57.0h in the 5000m, 2:39:27 in the Marathon, 10:07.5h in the 3000m-short-track and 10:07.5h in the 3000m-short-track. He is currently active on the international athletics circuit, representing North Korea.
Personal best · Marathon2:39:27
2025 season best2:46:32Apr 6, 2025 · Pyongyang
Personal best · 10 Kilometres Road35:44
Last competitionPyongynag International MarathonApr 6, 2025 · 2:46:32
As of Oct 27, 2026: Marathon 2:39:27, 10 Kilometres Road 35:44, 2025 season best 2:46:32 (Apr 6, 2025, Pyongyang (PRK)) · Last competition: Pyongynag International Marathon, Apr 6, 2025, 2:46:32
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | Marathon | 2:46:32 | – | Apr 6, 2025 | Pyongynag International Marathon |
| 2019 | 3000m Indoor | 10:07.5h | – | Aug 24, 2019 | North Korean Indoor Championships |
| 2019 | 3000m-short-track Indoor | 10:07.5h | – | Aug 24, 2019 | North Korean Indoor Championships |
| 2019 | 3000m-short-track | 10:07.5h | – | Aug 24, 2019 | North Korean Indoor Championships |
| 2019 | 5000m | 16:57.0h | – | Sep 6, 2019 | Pyongyang (PRK) |
| 2019 | Marathon | 2:39:27 | – | Apr 7, 2019 | Mangyongdae Prize Marathon |
| 2018 | Semi | 1:16:58 | – | Apr 8, 2018 | Pyongyang Mangyongdae Prize Marathon |
| 2017 | 5000m | 17:31.6h | – | Sep 4, 2017 | Pyongyang (PRK) |