Sean Chalmers

Sean Chalmers

Born
Oct 7, 1995 (31 years old)
Events
Half Marathon · 10 000 m

Sean Chalmers is a United Kingdom middle-distance runner, born on October 7, 1995. He competes primarily in the 800m, 1500m and Mile.

His personal bests include 1:54.79 in the 800m, 3:56.49 in the 1500m, 4:16.58 in the Mile, 8:47.58 in the 3000m and 14:14.22 in the 5000m. He is currently active on the international athletics circuit, representing United Kingdom.

Personal best · Half Marathon1:03:23
2026 season best29:36May 10, 2026 · Glasgow
Personal best · 10 000 m29:52.78
Last competitionTop Flight by RunThrough - Shettleston 10KMay 10, 2026 · 29:36

As of Oct 28, 2026: Half Marathon 1:03:23, 10 000 m 29:52.78, 2026 season best 29:36 (May 10, 2026, Glasgow (GBR)) · Last competition: Top Flight by RunThrough - Shettleston 10K, May 10, 2026, 29:36 · 31 years old

DisciplineResultAll-time2026
800mBedford 20121:54.79894 pts––
1500mTX 20143:56.49897 pts––
MileIndoorAL 20144:16.58926 pts––
3000mGlasgow 20138:47.58795 pts––
5000mManchester 202214:14.22953 pts––
10000mLondon 202229:52.78965 pts––

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
202610Kilometr 29:36–May 10, 2026Top Flight by RunThrough - Shettleston 10K
2025Semi 1:03:23–Sep 14, 2025Copenhagen Half Marathon
202410MilesRoa 49:18–Mar 31, 2024–
202310Kilometr 30:08–Dec 31, 2023Nationale Nederlanden San Silvestre Vallecana
20225000m 14:14.22–May 28, 2022Sportcity Regional Arena, Manchester (GBR)
202210000m 29:52.78–May 14, 2022Parliament Hill Fields Athletics Track, London (GBR)
202210Kilometr 29:56–Sep 11, 2022–
2022Semi 1:05:00–Aug 28, 2022Antrim Coast Half Marathon
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FAQ

Frequently asked questions

Sean Chalmers's Half Marathon personal best is 1:03:23, set on Sep 14, 2025 in Copenhagen (DEN).

Sean Chalmers competes in the Half Marathon and 10 000 m.

2026 season best: 29:36, set on May 10, 2026 in Glasgow (GBR). Last competition: Top Flight by RunThrough - Shettleston 10K on May 10, 2026, 29:36.