| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.51 | 6.51 | 23 | D |
| H2 | 4.07 | 10.58 | 15 | D |
| H3 | 4.03(-0.04) | 14.61 | 15 | D |
| H4 | 4.20(+0.17) | 18.81 | 15 | D |
| H5 | 4.27(+0.07) | 23.08 | 15 | D |
| H6 | 4.40(+0.13) | 27.48 | 15 | D |
| H7 | 4.63(+0.23) | 32.11 | 15 | D |
| H8 | 4.80(+0.17) | 36.91 | 15 | D |
| H9 | 4.97(+0.17) | 41.88 | 15 | D |
| H10 | 5.23(+0.26) | 47.11 | 16 | G |
| Finish | 5.99 | 53.10 | — | — |
Total time
Avg. interval
4.51s
Std. deviation
0.40
Deceleration
Stride pattern
Fastest interval: 4.03s (H3–H4).
Deceleration of 10.7% between the first half (8.02 m/s) and the second half (7.16 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 71% of 400m hurdles Elite-level.
Actual percentile: 71
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 September 2026, Emma Zapletalova (Slovakia) ran their 400 metres hurdles in 53.10 seconds at Bruxelles (Diamond League).
On 4h/world, this time earns Emma a Top 13% World ranking.