Sierra COLLENDER
AustraliaActive- Born
- Jan 1, 1998 (28 years old)
- Events
- Marathon · 1500 m
Sierra COLLENDER is a Australia middle-distance runner, born on January 1, 1998. She competes primarily in the 800m, 1500m and 3000m.
Her personal bests include 2:26.26 in the 800m, 4:43.49 in the 1500m, 10:14.92 in the 3000m, 2:55:43 in the Marathon and 7:20.96 in the 2000Metres. She is currently active on the international athletics circuit, representing Australia.
Personal best · Marathon2:55:43
2026 season best2:58:46Jun 7, 2026
Personal best · 1500 m4:43.49
Last competitionBrisbane Marathon Festival - MarathonJun 7, 2026 · 2:58:46
As of Nov 13, 2026: Marathon 2:55:43, 1500 m 4:43.49, 2026 season best 2:58:46 (Jun 7, 2026) · Last competition: Brisbane Marathon Festival - Marathon, Jun 7, 2026, 2:58:46 · 28 years old
Personal bests
WA points calculator →DisciplineResultAll-time
2000MetresTownsville 20137:20.96–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | Marathon | 2:58:46 | – | Jun 7, 2026 | Brisbane Marathon Festival - Marathon |
| 2025 | Marathon | 2:55:43 | – | Oct 12, 2025 | Nike Melbourne Marathon Festival |
| 2024 | Marathon | 3:03:43 | – | Dec 1, 2024 | Maratón Valencia Trinidad Alfonso Zurich |
| 2015 | 1500m | 4:43.49 | – | Mar 15, 2015 | Sydney (AUS) |
| 2015 | 3000m | 10:14.92 | – | Feb 6, 2015 | Sydney (AUS) |
| 2014 | 800m | 2:26.26 | – | Feb 1, 2014 | Sydney (AUS) |
| 2014 | 1500m | 4:57.65 | – | Oct 12, 2014 | Sydney (AUS) |
| 2014 | 2000Metres | 7:23.51 | – | Mar 12, 2014 | Sydney (AUS) |