
Mirjam Koersen
- Born
- May 6, 1974 (52 years old)
- Events
- Marathon · Half Marathon
Mirjam Koersen is a Netherlands middle-distance runner, born on May 6, 1974. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 4:47.72 in the 1500m, 10:22.37 in the 3000m, 17:48.43 in the 5000m, 1:19:57 in the Semi and 2:44:43 in the Marathon. He is currently active on the international athletics circuit, representing Netherlands.
Personal best · Marathon2:44:43
2026 season best36:50Jan 11, 2026
Personal best · Half Marathon1:19:57
Last competition10K Valencia Ibercaja by KiprunJan 11, 2026 · 36:50
As of Nov 13, 2026: Marathon 2:44:43, Half Marathon 1:19:57, 2026 season best 36:50 (Jan 11, 2026) · Last competition: 10K Valencia Ibercaja by Kiprun, Jan 11, 2026, 36:50 · 52 years old
Personal bests
WA points calculator →DisciplineResultAll-time
15KilometrNijmegen 201456:56–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 10Kilometr | 36:50 | – | Jan 11, 2026 | 10K Valencia Ibercaja by Kiprun |
| 2025 | 10Kilometr | 36:36 | – | Feb 9, 2025 | Groet uit Schoorl Run |
| 2025 | Semi | 1:20:17 | – | Mar 9, 2025 | NN CPC Loop Den Haag Halve Marathon |
| 2024 | 3000m | 10:33.32 | – | Jun 23, 2024 | Competitie 1e Divisie Poule 2 R3 |
| 2024 | 10Kilometr | 37:14 | – | Feb 11, 2024 | Groet uit Schoorl Run |
| 2024 | Semi | 1:20:05 | – | Jun 8, 2024 | Scania Halve Marathon Zwolle |
| 2024 | Marathon | 2:44:43 | – | Sep 29, 2024 | BMW Berlin Marathon, Berlin |
| 2023 | 10Kilometr | 36:48 | – | Feb 12, 2023 | Groet uit Schoorl Run |