On 26 July 2026, Aliya Garozzot (United States) ran their 400 metres hurdles in 56.11 seconds at New York (United States Championships).
| 19.88 |
| 7.48 |
15 R |
R |
| H5 | 4.60(-0.08) | 24.48 | 7.61 | 15 R | R |
| H6 | 4.93(+0.33) | 29.41 | 7.10 | 14 L | L |
| H7 | 5.00(+0.07) | 34.41 | 7.00 | 15 L | L |
| H8 | 5.31(+0.31) | 39.72 | 6.59 | 15 L | L |
| H9 | 5.09(-0.22) | 44.81 | 6.88 | 15 L | L |
| H10 | 5.21(+0.12) | 50.02 | 6.72 | 15 L | L |
| Finish | 6.09 | 56.11 | 6.57 | — — | — |
Avg. interval
4.84s
Std. deviation
0.33
Deceleration
Stride pattern
Fastest interval: 4.33s (H2–H3).
Deceleration of 10.1% between the first half (7.56 m/s) and the second half (6.8 m/s).
Steady stride pattern.
Lead leg alternation: 6× Left, 4× Right.
Max speed
8.08m/s
Avg speed
7.13m/s
Std. deviation
0.33s