Demi Locker
PolandActive- Born
- Jun 23, 2005 (21 years old)
- Events
- 800 Metres Short Track · 1500 m
Demi Locker is a Poland middle-distance runner, born on June 23, 2005. She competes primarily in the 800m, 1500m and 800m-short-track.
Her personal bests include 2:15.88 in the 800m, 4:44.02 in the 1500m, 2:18.15 in the 800m-short-track, 2:18.15 in the 800m-short-track and 2:58.63 in the 1000m. She is currently active on the international athletics circuit, representing Poland.
Personal best · 800 Metres Short Track2:18.15
2026 season best2:23.84Feb 13, 2026 · EIS Don Valley Stadium, Sheffield (GBR) (i)
Personal best · 1500 m4:44.02
Last competitionBUCS Athletics: Outdoor Championships, Cardiff Athletic Stadium, CardiffMay 2, 2026 · 2:18.27
As of Nov 13, 2026: 800 Metres Short Track 2:18.15, 1500 m 4:44.02, 2026 season best 2:23.84 (Feb 13, 2026, EIS Don Valley Stadium, Sheffield (GBR) (i)) · Last competition: BUCS Athletics: Outdoor Championships, Cardiff Athletic Stadium, Cardiff, May 2, 2026, 2:18.27 · 21 years old
Personal bests
WA points calculator →DisciplineResultAll-time
800m-short-trackIndoorSheffield 20222:18.15906 pts–
800m-short-track20222:18.15906 pts–
1000mSłupsk 20202:58.63875 pts–
600mTarnów 20191:39.31840 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 800m | 2:18.27 | – | May 2, 2026 | BUCS Athletics: Outdoor Championships, Cardiff Athletic Stadium, Cardiff |
| 2026 | 800m-short-track Indoor | 2:23.84 | – | Feb 13, 2026 | BUCS Indoor Athletics Championships, EIS Don Valley Stadium, Sheffield (i) |
| 2022 | 800m-short-track | 2:18.15 | – | Jan 9, 2022 | – |
| 2022 | 800m Indoor | 2:18.15 | – | Jan 9, 2022 | National Indoor Athletics Centre, Sheffield (GBR) (i) |
| 2022 | 800m-short-track Indoor | 2:18.15 | – | Jan 9, 2022 | National Indoor Athletics Centre, Sheffield (GBR) (i) |
| 2021 | 800m | 2:15.88 | – | Jul 17, 2021 | Stadion Iskra, Bialogard (POL) |
| 2021 | 1500m | 4:44.02 | – | Jun 23, 2021 | Loughborough University Track, Loughborough (GBR) |
| 2020 | 600m | 1:39.55 | – | Aug 22, 2020 | Stadion Miejski, Chorzów (POL) |