On 11 July 2026, Anan Ye (China) ran their 400 metres hurdles in 49.04 seconds at Ordos (Asia Championships U23).
| 17.79 |
| 8.64 |
13 L |
L |
| H5 | 4.08(+0.03) | 21.87 | 8.58 | 14 R | R |
| H6 | 4.21(+0.13) | 26.08 | 8.31 | 14 L | L |
| H7 | 4.12(-0.09) | 30.20 | 8.50 | 14 R | R |
| H8 | 4.30(+0.18) | 34.50 | 8.14 | 14 L | L |
| H9 | 4.55(+0.25) | 39.05 | 7.69 | 15 L | L |
| H10 | 4.67(+0.12) | 43.72 | 7.49 | 15 L | L |
| Finish | 5.32 | 49.04 | 7.52 | — — | — |
Avg. interval
4.20s
Std. deviation
0.27
Deceleration
Stride pattern
Very consistent intervals (σ=0.27s).
Fastest interval: 3.7s (H2–H3).
Excellent fatigue resistance: only 6.5% speed loss between the first and second halves (8.46 → 7.91 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.