| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.41 | 6.41 | 23 | D |
| H2 | 4.06 | 10.47 | 15 | D |
| H3 | 4.08(+0.02) | 14.55 | 15 | D |
| H4 | 4.16(+0.08) | 18.71 | 15 | D |
| H5 | 4.26(+0.10) | 22.97 | 15 | D |
| H6 | 4.42(+0.16) | 27.39 | 15 | D |
| H7 | 4.58(+0.16) | 31.97 | 15 | D |
| H8 | 4.61(+0.03) | 36.58 | 15 | D |
| H9 | 4.83(+0.22) | 41.41 | 15 | D |
| H10 | 5.14(+0.31) | 46.55 | 16 | G |
| Finish | 6.03 | 52.58 | — | — |
Total time
Avg. interval
4.46s
Std. deviation
0.35
Deceleration
Stride pattern
Fastest interval: 4.06s (H2–H3).
Excellent fatigue resistance: only 9.8% speed loss between the first and second halves (8.05 → 7.26 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 88% of 400m hurdles Elite-level.
Actual percentile: 88
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 June 2026, Emma Zapletalova (Slovakia) ran their 400 metres hurdles in 52.58 seconds at Rome (Diamond League).
On 4h/world, this time earns Emma a Top 6% World ranking.