| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.37 | 6.37 | 23 | D |
| H2 | 4.00 | 10.37 | 15 | D |
| H3 | 4.07(+0.07) | 14.44 | 15 | D |
| H4 | 4.20(+0.13) | 18.64 | 15 | D |
| H5 | 4.23(+0.03) | 22.87 | 15 | D |
| H6 | 4.37(+0.14) | 27.24 | 15 | D |
| H7 | 4.48(+0.11) | 31.72 | 15 | D |
| H8 | 4.62(+0.14) | 36.34 | 15 | D |
| H9 | 4.97(+0.35) | 41.31 | 16 | G |
| H10 | 6.33(+1.36) | 47.64 | 19 | G |
| Finish | 6.43 | 54.07 | — | — |
Total time
Avg. interval
4.59s
Std. deviation
0.68
Deceleration
Stride pattern
High variability between intervals (σ=0.68s).
Fastest interval: 4s (H2–H3).
Deceleration of 14.8% between the first half (8.09 m/s) and the second half (6.89 m/s).
Significant slowdown on hurdle intervals: H10 exceed the average by more than 1 second.
Stride count too high on hurdle intervals: H10, indicating fatigue or a technical imbalance.
Hurdle fault on H9.
Lead leg alternation: 2× Left, 8× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 47% of 400m hurdles Elite-level.
Actual percentile: 47
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 27 August 2026, Emma Zapletalova (Slovakia) ran their 400 metres hurdles in 54.07 seconds at Zürich (Diamond League).
On 4h/world, this time earns Emma a Top 24% World ranking.