Isobel Usher

AustraliaAustralia
Born
Jan 1, 2007 (19 years old)
Events
400 m

Isobel Usher is a Australia sprinter, born on January 1, 2007. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.90 in the 100m, 26.18 in the 200m and 57.92 in the 400m. She is currently active on the international athletics circuit, representing Australia.

Personal best · 400 m57.92
2025 season best57.92Apr 10, 2025 · WA Athletics Stadium, Perth
2025 season best
Last competitionAustralian U20 ChampionshipsApr 10, 2025 · 57.92
Australian U20 Championships

As of Nov 15, 2026: 400 m 57.92, 2025 season best 57.92 (Apr 10, 2025, WA Athletics Stadium, Perth (AUS)) · Last competition: Australian U20 Championships, Apr 10, 2025, 57.92 · 19 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mSydney 2023Australia 100 m all-time list12.90821 pts–
200mSydney 2024Australia 200 m all-time list26.18836 pts–
400mPerth 2025Australia 400 m all-time list57.92908 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025400m 57.92–Apr 10, 2025Australian U20 Championships
2024200m 26.18-1.3Sep 30, 2024NSW All Schools Championships, SOPAC, Sydney - U18 Events
2024400m 58.72–Sep 29, 2024NSW All Schools Championships, SOPAC, Sydney - U18 Events
2023100m 12.90+0.2Feb 25, 2023NSW U20/U18 Championships
2022100m 12.99-0.3Feb 26, 2022SOPAC, Sydney (AUS)
2022200m 26.35+1.3Sep 26, 2022SOPAC, Sydney (AUS)
2021200m 26.72+2.0Dec 10, 2021SOPAC, Sydney (AUS)
FAQ

Frequently asked questions

Isobel Usher's 400 m personal best is 57.92, set on Apr 10, 2025 in WA Athletics Stadium, Perth (AUS).

Isobel Usher competes in the 400 m.

2025 season best: 57.92, set on Apr 10, 2025 in WA Athletics Stadium, Perth (AUS). Last competition: Australian U20 Championships on Apr 10, 2025, 57.92.