On 28 September 2026, Yingying Kong (China) ran their 400 metres hurdles in 55.78 seconds at Nagoya (20th Asian Games).
| 19.24 |
| 8.24 |
15 L |
L |
| H5 | 4.40(+0.15) | 23.64 | 7.95 | 15 L | L |
| H6 | 4.68(+0.28) | 28.32 | 7.48 | 16 R | R |
| H7 | 4.85(+0.17) | 33.17 | 7.22 | 16 L | L |
| H8 | 5.08(+0.23) | 38.25 | 6.89 | 17 L | L |
| H9 | 5.32(+0.24) | 43.57 | 6.58 | 17 L | L |
| H10 | 5.58(+0.26) | 49.15 | 6.27 | 18 R | R |
| Finish | 6.63 | 55.78 | 6.03 | — — | — |
Avg. interval
4.73s
Std. deviation
0.48
Deceleration
Stride pattern
Fastest interval: 4.17s (H2–H3).
Deceleration of 14.5% between the first half (7.83 m/s) and the second half (6.69 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.