| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.26 | 6.26 | 22 | G |
| H2 | 4.00 | 10.26 | 14 | D |
| H3 | 4.21(+0.21) | 14.47 | 14 | G |
| H4 | 4.20(-0.01) | 18.67 | 14 | D |
| H5 | 4.30(+0.10) | 22.97 | 14 | G |
| H6 | 4.45(+0.15) | 27.42 | 14 | D |
| H7 | 4.56(+0.11) | 31.98 | 15 | D |
| H8 | 4.66(+0.10) | 36.64 | 15 | D |
| H9 | 4.85(+0.19) | 41.49 | 15 | D |
| H10 | 4.96(+0.11) | 46.45 | 15 | D |
| Finish | 5.46 | 51.91 | — | — |
Total time
Avg. interval
4.47s
Std. deviation
0.30
Deceleration
Stride pattern
Very consistent intervals (σ=0.3s).
Fastest interval: 4s (H2–H3).
Excellent fatigue resistance: only 7.8% speed loss between the first and second halves (8.05 → 7.43 m/s).
Steady stride pattern.
Lead leg alternation: 3× Left, 7× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 27% of 400m hurdles Intermediate-level.
Actual percentile: 27
n = 70 races · 64 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 18 July 2026, Lazare Defour (France) ran their 400 metres hurdles in 51.91 seconds at Paris, Charléty (France Championships).
The closest performance recorded on 4h/world belongs to Anna Cockrell (51.87s at Paris), with 0.04 seconds away.