Liam O'Brien
- Events
- 400m hurdles (84.0cm)
Liam O'Brien is a United Kingdom hurdler. He competes primarily in the 400mhurdle.
His personal bests include 53.63 in the 400mhurdle. He is currently active on the international athletics circuit, representing United Kingdom.
Personal best · 400m hurdles (84.0cm)53.63
2025 season best53.63Aug 10, 2025 · Alexander Stadium, Birmingham
Last competitionEngland Athletics Age Group ChampionshipsAug 10, 2025 · 55.81
As of Nov 14, 2026: 400m hurdles (84.0cm) 53.63, 2025 season best 53.63 (Aug 10, 2025, Alexander Stadium, Birmingham (GBR)) · Last competition: England Athletics Age Group Championships, Aug 10, 2025, 55.81
Personal bests
DisciplineResultAll-time
400mhurdleBirmingham 202553.63–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 60MetresHu Indoor | 8.49 | – | Jan 11, 2025 | Northern Senior, U20 & U17 Indoor Championships, English Institute of Sport, Sheffield (i) |
| 2025 | 60mH Indoor | 8.49 | – | Jan 11, 2025 | Northern Senior, U20 & U17 Indoor Championships, English Institute of Sport, Sheffield (i) |
| 2025 | 400mhurdle | 53.63 | – | Aug 10, 2025 | England Athletics Age Group Championships |
| 2025 | 400mH | 56.40 | – | Jul 12, 2025 | ESAA English Schools Championships |
| 2024 | 60MetresHu Indoor | 8.51 | – | Dec 1, 2024 | Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i) |
| 2024 | 60mH Indoor | 8.51 | – | Dec 1, 2024 | Manchester Indoor Open meeting, Manchester Regional Arena, Manchester (i) |
| 2024 | 400mhurdle | 55.99 | – | Jul 28, 2024 | England Athletics U15/U17 Open Champs, Senior & U20 Combined Events Champs & UK CE Champs, JNR Para, Alexander Stadium, Birmingham - UK Combined Events Championships |
| 2024 | 400mH | 56.37 | – | Jul 13, 2024 | ESAA English Schools Championships, Alexander Stadium, Birmingham |