| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.16 | 6.16 | — | G |
| H2 | 4.20 | 10.36 | — | G |
| H3 | 4.40(+0.20) | 14.76 | — | D |
| H4 | 4.33(-0.07) | 19.09 | — | G |
| H5 | 4.49(+0.16) | 23.58 | — | — |
| H6 | 4.54(+0.05) | 28.12 | 17 | G |
| H7 | 4.76(+0.22) | 32.88 | 17 | G |
| H8 | 4.81(+0.05) | 37.69 | 17 | G |
| H9 | 4.85(+0.04) | 42.54 | 17 | G |
| H10 | 4.81(-0.04) | 47.35 | 17 | G |
| Finish | 5.55 | 52.90 | — | — |
Total time
Avg. interval
4.58s
Std. deviation
0.23
Deceleration
Stride pattern
New personal best!
New national record!
New area record!
Very consistent intervals (σ=0.23s).
Fastest interval: 4.2s (H2–H3).
Excellent fatigue resistance: only 6.5% speed loss between the first and second halves (7.85 → 7.33 m/s).
Lead leg alternation: 8× Left, 1× Right.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 78% of 400m hurdles Elite-level.
Actual percentile: 78
n = 120 races · 57 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 25 August 1999, Nezha Bidouane (Morocco) ran their 400 metres hurdles in 52.90 seconds at Séville (World Championships).
On 4h/world, this time earns Nezha a Top 10% World ranking.
This performance is the records: