| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.39 | 6.39 | 22 | G |
| H2 | 4.00 | 10.39 | 15 | G |
| H3 | 4.04(+0.04) | 14.43 | 15 | G |
| H4 | 4.16(+0.12) | 18.59 | 15 | G |
| H5 | 4.36(+0.20) | 22.95 | 15 | G |
| H6 | 4.52(+0.16) | 27.47 | 15 | G |
| H7 | 4.64(+0.12) | 32.11 | 15 | G |
| H8 | 4.76(+0.12) | 36.87 | 15 | G |
| H9 | 4.88(+0.12) | 41.75 | 15 | G |
| H10 | 5.00(+0.12) | 46.75 | 15 | G |
| Finish | 5.62 | 52.37 | — | — |
Total time
Avg. interval
4.48s
Std. deviation
0.35
Deceleration
Stride pattern
Fastest interval: 4s (H2–H3).
Excellent fatigue resistance: only 9.3% speed loss between the first and second halves (8.06 → 7.31 m/s).
Steady stride pattern.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 90% of 400m hurdles Elite-level.
Actual percentile: 90
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 4 July 2021, Femke Broeders-Bol (Netherlands) ran their 400 metres hurdles in 52.37 seconds at Stockholm (Diamond League).
On 4h/world, this time earns Femke a Top 5% World ranking.