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 21% World ranking.
| 18.64 |
| 8.33 |
15 R |
R |
| H5 | 4.23(+0.03) | 22.87 | 8.27 | 15 R | R |
| H6 | 4.37(+0.14) | 27.24 | 8.01 | 15 R | R |
| H7 | 4.48(+0.11) | 31.72 | 7.81 | 15 R | R |
| H8 | 4.62(+0.14) | 36.34 | 7.58 | 15 R | R |
| H9 | 4.97(+0.35) | 41.31 | 7.04 | 16 L | L |
| H10 | 6.33(+1.36) | 47.64 | 5.53 | 19 L | L |
| Finish | 6.43 | 54.07 | 6.22 | — — | — |
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.
All-time fastest sectors
All-time slowest sectors