| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.78 | 5.78 | 21 | D |
| H2 | 3.68 | 9.46 | 13 | D |
| H3 | 3.92(+0.24) | 13.38 | 13 | D |
| H4 | 4.04(+0.12) | 17.42 | 13 | D |
| H5 | 4.12(+0.08) | 21.54 | 13 | D |
| H6 | 4.28(+0.16) | 25.82 | 13 | D |
| H7 | 4.44(+0.16) | 30.26 | 14 | G |
| H8 | 4.76(+0.32) | 35.02 | 14 | D |
| H9 | 4.60(-0.16) | 39.62 | 15 | D |
| H10 | 4.80(+0.20) | 44.42 | 15 | D |
| Finish | 5.41 | 49.83 | — | — |
Total time
Avg. interval
4.29s
Std. deviation
0.37
Deceleration
Stride pattern
Fastest interval: 3.68s (H2–H3).
Deceleration of 11.5% between the first half (8.59 m/s) and the second half (7.6 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 3% of 400m hurdles Elite-level.
Actual percentile: 3
n = 148 races · 75 athletes
Position within the pacing-consistency distribution (a higher value isn't necessarily a better race).
Position within the speed-loss distribution between the two race halves (a low value isn't always better pacing).
Hurdle fault rate, compared to the database.
On 14 August 2026, Alessandro Sibilio (Italy) ran their 400 metres hurdles in 49.83 seconds at Birmingham (Europe Championships).
The closest performance recorded on 4h/world belongs to Ming-Yang Peng (49.83s at Nouveau Taipei), with 0.00 seconds away.