Jacob Sommer Simonsen
DenmarkActive- Born
- Jan 1, 1995 (31 years old)
- Events
- Marathon · Half Marathon
Jacob Sommer Simonsen is a Denmark middle-distance runner, born on January 1, 1995. He competes primarily in the 1500m, Mile and 3000m.
His personal bests include 3:53.8h in the 1500m, 4:21.14 in the Mile, 8:49.05 in the 3000m, 8:12.25 in the 3000m and 13:51.57 in the 5000m. He has earned 10 gold medals in major international competitions. He is currently active on the international athletics circuit, representing Denmark.
Personal best · Marathon2:07:51
2026 season best13:46Sep 6, 2026 · Carlsbad, CA
National record1:01:11Half Marathon
Personal best · Half Marathon1:01:11
As of Nov 4, 2026: Marathon 2:07:51 (#694 all-time), Half Marathon 1:01:11, 2026 season best 13:46 (Sep 6, 2026, Carlsbad, CA (USA)) · Last competition: Medio Marathon Valencia Trinidad Alfonso Zurich, Valencia, Oct 25, 2026, 1:00:42 · National record (Half Marathon) · 31 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5Kilometre | 13:46 | – | Sep 6, 2026 | New Balance Kö Meile |
| 2026 | 10Kilometr | 28:49 | – | Apr 26, 2026 | Bålsta Stadslopp |
| 2026 | Semi | 1:00:42 | – | Oct 25, 2026 | Medio Marathon Valencia Trinidad Alfonso Zurich, Valencia |
| 2025 | 10Kilometr | 28:16 | – | Jan 12, 2025 | 10K Valencia Ibercaja by Kiprun, Valencia |
| 2025 | Semi | 1:01:11 | – | Feb 16, 2025 | eDreams Mitja Marató Barcelona by Brooks |
| 2025 | Marathon | 2:11:10 | – | Dec 7, 2025 | Maratón Valencia Trinidad Alfonso Zurich, Valencia |
| 2024 | CrossCount | 22:37 | – | Nov 10, 2024 | Nordic Cross Country Championships, Hakunilan Urheilupuisto, Vantaa - XC 7.5km |
| 2024 | 10Kilometr | 28:58 | – | Apr 20, 2024 | Danish Senior & U23 10km Road Running Championships |