Sierra Jaques

AustraliaAustraliaActive
Born
Oct 16, 2007 (19 years old)
Events
400 m · 200 m

Sierra Jaques is a Australia sprinter, born on October 16, 2007. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.35 in the 100m, 24.88 in the 200m, 55.91 in the 400m, 47.86 in the 4x100m and 3:40.29 in the 4x400Metre. She is currently active on the international athletics circuit, representing Australia.

Personal best · 400 m55.91
2026 season best55.88Feb 28, 2026 · AIS Athletics Track, Canberra
2026 season best
Personal best · 200 m24.88
Last competitionAustralian U20 ChampionshipsApr 19, 2026 · 24.98
Australian U20 Championships

As of Nov 14, 2026: 400 m 55.91, 200 m 24.88, 2026 season best 55.88 (Feb 28, 2026, AIS Athletics Track, Canberra (AUS)) · Last competition: Australian U20 Championships, Apr 19, 2026, 24.98 · 19 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mCanberra 2025Australia 100 m all-time list12.35923 pts–
200mBrisbane 2024Australia 200 m all-time list24.88953 pts–
400mSydney 2025Australia 400 m all-time list55.91980 pts–
4x100mBrisbane 2024Australia 4 × 100 m all-time list47.86–
4x400MetreBrisbane 20243:40.29–

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 12.26+0.8Mar 14, 2026Capital Athletics Summer Series 11
2026200m 24.97+0.8Feb 7, 2026Capital Athletics Summer Series 9
2026400m 55.88–Feb 28, 2026Illawarra Track Challenge
2025100m 12.35-0.5Mar 22, 2025Woden Park, Canberra (AUS)
2025200m 25.01+0.0Mar 22, 2025Woden Park, Canberra (AUS)
2025400m 55.91–Dec 20, 2025Campbelltown High Velocity
2024100m 12.36+0.0Dec 21, 2024High Velocity - Blacktown, Blacktown Athletics Track, Sydney
2024200m 24.88-1.5Dec 21, 2024High Velocity - Blacktown, Blacktown Athletics Track, Sydney
FAQ

Frequently asked questions

Sierra Jaques's 400 m personal best is 55.91, set on Dec 20, 2025 in Campbelltown Athletics Centre, Sydney (AUS).

Sierra Jaques competes in the 400 m and 200 m.

2026 season best: 55.88, set on Feb 28, 2026 in AIS Athletics Track, Canberra (AUS). Last competition: Australian U20 Championships on Apr 19, 2026, 24.98.