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

DisciplineResultAll-time2026
800mIndoorLondon 20262:12.20994 pts–#360
800mManchester 2026United Kingdom 800 m all-time list2:09.90992 pts––
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

SeasonDisciplineResultWindDateCompetitions
2026800m 2:09.90–May 16, 2026British Milers Club Grand Prix
2026800m Indoor2:09.90–May 16, 2026British Milers Club Grand Prix
2026800m-short-track Indoor2:12.20–Feb 4, 2026Ayo Falola Dream Mile and BMC
2026800m-short-track 2:16.98–Jan 18, 2026BMC Sheffield Indoor Grand Prix
2025600m-short-track Indoor1:37.60–Nov 30, 2025Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i)
2025600m Indoor1:37.60–Nov 30, 2025Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i)
2025800m 2:12.99–Jun 7, 2025British Milers Club Grand Prix, Birmingham University Athletics Track, Birmingham - National Events
2025800m-short-track Indoor2:20.39–Jan 12, 2025Cardiff Met Non Thomas Endurance Grand Prix
FAQ

Frequently asked questions

Millie Cossins's 800 Metres Short Track personal best is 2:16.98, set on Jan 18, 2026 in National Indoor Athletics Centre, Sheffield (GBR).

Millie Cossins competes in the 800 Metres Short Track and 600 Metres Short Track.

2026 season best: 2:16.98, set on Jan 18, 2026 in National Indoor Athletics Centre, Sheffield (GBR). Last competition: Welsh Athletics Senior & U18 Championships, Cardiff Athletic Stadium, Cardiff on Jun 27, 2026, 2:12.11.