Millie Cossins
- Born
- Aug 9, 2009 (17 years old)
- Events
- 800 Metres Short Track · 600 Metres Short Track
Millie Cossins is a United Kingdom middle-distance runner, born on August 9, 2009. She competes primarily in the 800m, 800m and 800m-short-track.
Her personal bests include 2:12.20 in the 800m, 2:09.90 in the 800m, 2:12.20 in the 800m-short-track, 2:16.98 in the 800m-short-track and 1:37.60 in the 600m. She is currently active on the international athletics circuit, representing United Kingdom.
Personal best · 800 Metres Short Track2:16.98
2026 season best2:16.98Jan 18, 2026 · National Indoor Athletics Centre, Sheffield
Personal best · 600 Metres Short Track1:37.60
Last competitionWelsh Athletics Senior & U18 Championships, Cardiff Athletic Stadium, CardiffJun 27, 2026 · 2:12.11
As of Nov 14, 2026: 800 Metres Short Track 2:16.98, 600 Metres Short Track 1:37.60, 2026 season best 2:16.98 (Jan 18, 2026, National Indoor Athletics Centre, Sheffield (GBR)) · Last competition: Welsh Athletics Senior & U18 Championships, Cardiff Athletic Stadium, Cardiff, Jun 27, 2026, 2:12.11 · 17 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
800mIndoorLondon 20262:12.20994 pts–#360
800m-short-trackIndoorLondon 20262:12.20994 pts––
800m-short-trackSheffield 20262:16.98923 pts––
600mIndoorManchester 20251:37.60914 pts––
600m-short-trackIndoorManchester 20251:37.60914 pts––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 800m | 2:09.90 | – | May 16, 2026 | British Milers Club Grand Prix |
| 2026 | 800m Indoor | 2:09.90 | – | May 16, 2026 | British Milers Club Grand Prix |
| 2026 | 800m-short-track Indoor | 2:12.20 | – | Feb 4, 2026 | Ayo Falola Dream Mile and BMC |
| 2026 | 800m-short-track | 2:16.98 | – | Jan 18, 2026 | BMC Sheffield Indoor Grand Prix |
| 2025 | 600m-short-track Indoor | 1:37.60 | – | Nov 30, 2025 | Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i) |
| 2025 | 600m Indoor | 1:37.60 | – | Nov 30, 2025 | Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i) |
| 2025 | 800m | 2:12.99 | – | Jun 7, 2025 | British Milers Club Grand Prix, Birmingham University Athletics Track, Birmingham - National Events |
| 2025 | 800m-short-track Indoor | 2:20.39 | – | Jan 12, 2025 | Cardiff Met Non Thomas Endurance Grand Prix |