| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.37 | 6.37 | 22 | G |
| H2 | 4.04 | 10.41 | 14 | D |
| H3 | 4.08(+0.04) | 14.49 | 14 | G |
| H4 | 4.12(+0.04) | 18.61 | 14 | D |
| H5 | 4.20(+0.08) | 22.81 | 14 | G |
| H6 | 4.48(+0.28) | 27.29 | 14 | D |
| H7 | 4.48(0.00) | 31.77 | 14 | G |
| H8 | 4.68(+0.20) | 36.45 | 15 | G |
| H9 | 4.80(+0.12) | 41.25 | 15 | G |
| H10 | 4.80(0.00) | 46.05 | 15 | G |
| Finish | 5.40 | 51.45 | — | — |
Total time
Avg. interval
4.41s
Std. deviation
0.29
Deceleration
Stride pattern
Very consistent intervals (σ=0.29s).
Fastest interval: 4.04s (H2–H3).
Excellent fatigue resistance: only 7.4% speed loss between the first and second halves (8.11 → 7.51 m/s).
Steady stride pattern.
Lead leg alternation: 7× Left, 3× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 97% of 400m hurdles Elite-level.
Actual percentile: 97
n = 122 races · 58 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 23 July 2023, Femke Broeders-Bol (Netherlands) ran their 400 metres hurdles in 51.45 seconds at Londres (Diamond League).
On 4h/world, this time earns Femke a Top 2% World ranking.