Isabella Harrison
- Events
- 1500 m · 3000 m
Isabella Harrison is a United Kingdom middle-distance runner. She competes primarily in the 800m, 1500m and Mile.
Her personal bests include 2:12.37 in the 800m, 4:27.49 in the 1500m, 5:19.80 in the Mile, 5:04.94 in the Mile and 9:47.30 in the 3000m. She is currently active on the international athletics circuit, representing United Kingdom.
Personal best · 1500 m4:27.49
2025 season best4:27.49Jul 2, 2025 · Bracknell Leisure Centre, Bracknell
Personal best · 3000 m9:47.30
Last competitionNewham & Essex Beagles Stratford Speed GPAug 17, 2025 · 4:33.91
As of Nov 14, 2026: 1500 m 4:27.49, 3000 m 9:47.30, 2025 season best 4:27.49 (Jul 2, 2025, Bracknell Leisure Centre, Bracknell (GBR)) · Last competition: Newham & Essex Beagles Stratford Speed GP, Aug 17, 2025, 4:33.91
Personal bests
WA points calculator →DisciplineResultAll-time
MileIndoorLondon 20255:04.94908 pts–
5KilometreLondon 202517:21–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 1500m | 4:27.49 | – | Jul 2, 2025 | British Milers Club - Mick Marlow Memorial, Bracknell Leisure Centre, Bracknell |
| 2025 | 1500m-short-track Indoor | 4:37.74 | – | Feb 9, 2025 | England Athletics U15/U17/20 Indoor Championships |
| 2025 | mile-short-track Indoor | 5:04.94 | – | Feb 12, 2025 | Ayo Falola Dream Mile and BMC |
| 2025 | Mile Indoor | 5:04.94 | – | Feb 12, 2025 | Ayo Falola Dream Mile and BMC |
| 2025 | 3000m | 9:47.30 | – | May 18, 2025 | Surrey County Track and Field Championships, Weir Archer Athletics and Fitness Centre, Kingston, London |
| 2025 | 5Kilometre | 17:21 | – | Jun 25, 2025 | Top Flight by RunThrough - Battersea ChaseTheSun 5k |
| 2024 | 600m Indoor | 1:37.36 | – | Dec 8, 2024 | BFTTA Indoor Series 1 |
| 2024 | 600m-short-track Indoor | 1:37.36 | – | Dec 8, 2024 | BFTTA Indoor Series 1 |