Records
Male
Commonwealth Records
| Date | Race | Member | Result |
|---|---|---|---|
| Sun, 28 Jan 1990 | XIV Commonwealth Games, Men's 400m Final | Darren Clark | 44.60 |
Australian Records
| Date | Race | Member | Result |
|---|---|---|---|
| Fri, 23 Feb 2018 | ACC Indoor Championship, Men's 400m Heat 9 | Steven Solomon | 45.44 |
| Mon, 26 Sept 1988 | Games of the XXIV Olympiad, Men's 400m Semi Final 1 | Darren Clark | 44.38 |
| Sun, 19 Mar 1972 | Wilmar, Melbourne International Athletics Meeting, Men's 400m Hurdles | Gary Knoke | 49.4ht |
| Sun, 2 Feb 1964 | NSW v Victoria Interstate Match, Men's 400m Hurdles | Kenneth Roche | 50.7ht |
State Records
| Date | Race | Member | Result | State |
|---|---|---|---|---|
| Tue, 19 May 2026 | Oceania Athletics Championship, Men's 400m Final | Aidan Murphy | 44.44 | SA |
| Sun, 4 Aug 2024 | Games of the XXXIII Olympiad, Men's 400m Heat 4 | Reece Holder | 44.53 | QLD |
| Mon, 26 Sept 1988 | Games of the XXIV Olympiad, Men's 400m Semi Final 1 | Darren Clark | 44.38 | NSW |
Female
State Records
| Date | Race | Member | Result | State |
|---|---|---|---|---|
| Mon, 5 Aug 2024 | Games of the XXXIII Olympiad, Women's 400m Hurdles Repechage 1 | Alanah Yukich | 55.11 | WA |
| Sun, 7 Apr 2019 | Australian Track & Field Championships, Women's 400m Hurdles Final | Lauren Boden | 54.87 | ACT |
| Sun, 23 May 1999 | Arafura Games, Women's 400m | Nova Peris-Kneebone | 54.32 | NT |
| Sun, 25 Sept 1988 | Games of the XXIV Olympiad, Women's 400m Semi Final 2 | Maree Holland | 50.24 | NSW |
| Mon, 16 Jan 1978 | KB Games, Women's 400m | Raelene Boyle | 52.6ht | NSW |