Ruby Demasi
- Born
- Jan 1, 2002 (24 years old)
- Events
- 400 m · 800 m
Ruby Demasi is a Australia sprinter, born on January 1, 2002. She competes primarily in the 200m, 400m and 800m.
Her personal bests include 27.14 in the 200m, 56.58 in the 400m, 2:12.85 in the 800m, 4:56.76 in the 1500m and 3:32.24 in the 4x400Metre. She is currently active on the international athletics circuit, representing Australia.
Personal best · 400 m56.58
2025 season best56.58Apr 11, 2025 · WA Athletics Stadium, Perth
Personal best · 800 m2:12.85
Last competitionUniSport Nationals AthleticsApr 23, 2025 · 57.31
As of Nov 14, 2026: 400 m 56.58, 800 m 2:12.85, 2025 season best 56.58 (Apr 11, 2025, WA Athletics Stadium, Perth (AUS)) · Last competition: UniSport Nationals Athletics, Apr 23, 2025, 57.31 · 24 years old
Personal bests
WA points calculator →DisciplineResultAll-time
4x400MetreGold Coast 20253:32.24–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 400m | 56.58 | – | Apr 11, 2025 | Australian Championships, WA Athletics Stadium, Perth |
| 2025 | 800m | 2:12.85 | – | Apr 11, 2025 | Australian Championships, WA Athletics Stadium, Perth |
| 2025 | 4x400Metre | 3:32.24 | – | Apr 22, 2025 | UniSport Nationals Athletics |
| 2024 | 400m | 57.00 | – | Dec 21, 2024 | High Velocity - Blacktown, Blacktown Athletics Track, Sydney |
| 2024 | 800m | 2:21.00 | – | Nov 2, 2024 | NSW 3000m Championships |
| 2020 | 400m | 59.04 | – | Feb 1, 2020 | SOPAC, Sydney (AUS) |
| 2020 | 800m | 2:15.43 | – | Mar 6, 2020 | NSW Championships |
| 2020 | 1500m | 4:56.76 | – | Feb 29, 2020 | SOPAC, Sydney (AUS) |