Leo Cossham

United KingdomUnited KingdomActive
Born
Jan 1, 1999 (27 years old)
Events
10 Kilometres Road · 800 m

Leo Cossham is a United Kingdom sprinter, born on January 1, 1999. He competes primarily in the 400m, 800m and 1500m.

His personal bests include 53.5h in the 400m, 1:55.60 in the 800m, 3:59.67 in the 1500m, 8:39.68 in the 3000m and 8:41.70 in the 3000m. He is currently active on the international athletics circuit, representing United Kingdom.

Personal best · 10 Kilometres Road30:46
2026 season best31:24Feb 14, 2026 · Millennium Arena, Battersea Park, London
2026 season best
Personal best · 800 m1:55.60
Last competitionLeeds BMC, Beckett Park Athletics Centre, Leeds - Mixed RacesMay 21, 2026 · 8:39.68
Leeds BMC, Beckett Park Athletics Centre, Leeds - Mixed Races

As of Nov 15, 2026: 10 Kilometres Road 30:46, 800 m 1:55.60, 2026 season best 31:24 (Feb 14, 2026, Millennium Arena, Battersea Park, London (GBR)) · Last competition: Leeds BMC, Beckett Park Athletics Centre, Leeds - Mixed Races, May 21, 2026, 8:39.68 · 27 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mWakefield 2022United Kingdom 400 m all-time list53.5h664 pts–
800mLondon 2021United Kingdom 800 m all-time list1:55.60873 pts–
1500mLoughborough 2022United Kingdom 1500 m all-time list3:59.67859 pts–
3000mLeeds 2026United Kingdom 3000 m all-time list8:39.68836 pts–
3000mIndoorSheffield 20248:41.70843 pts–
3000m-short-trackIndoorSheffield 20248:41.70843 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20263000m 8:39.68–May 21, 2026Leeds BMC, Beckett Park Athletics Centre, Leeds - Mixed Races
202610Kilometr 31:24–Feb 14, 2026Top Flight by RunThrough - Battersea 10k
202510Kilometr 30:46–Feb 15, 2025Top Flight by RunThrough - Battersea 10k, London
20241500m 4:00.14–Apr 20, 2024Kansas Relays, Rock Chalk Park, Lawrence, KS - Invitational Events
20243000m-short-track Indoor8:41.70–Jan 7, 2024BMC Sheffield Indoor Grand Prix, National Indoor Athletics Centre, Sheffield (i)
20243000m Indoor8:41.70–Jan 7, 2024BMC Sheffield Indoor Grand Prix, National Indoor Athletics Centre, Sheffield (i)
202410Kilometr 31:13–Dec 29, 2024Top Flight by RunThrough - Ribble Valley 10K, Clitheroe
2023800m 1:56.74–May 30, 2023Trafford Grand Prix, Longford Stadium Trafford, Manchester - Mixed Races
FAQ

Frequently asked questions

Leo Cossham's 10 Kilometres Road personal best is 30:46, set on Feb 15, 2025 in London (GBR).

Leo Cossham competes in the 10 Kilometres Road and 800 m.

2026 season best: 31:24, set on Feb 14, 2026 in Millennium Arena, Battersea Park, London (GBR). Last competition: Leeds BMC, Beckett Park Athletics Centre, Leeds - Mixed Races on May 21, 2026, 8:39.68.