On 13 September 2026, Emma Zapletalova (Slovakia) ran their 400 metres hurdles in 52.68 seconds at Budapest (Ultimate Championship).
On 4h/world, this time earns Emma a Top 6% World ranking.
| 18.61 |
| 8.41 |
15 R |
R |
| H5 | 4.26(+0.10) | 22.87 | 8.22 | 15 R | R |
| H6 | 4.36(+0.10) | 27.23 | 8.03 | 15 R | R |
| H7 | 4.59(+0.23) | 31.82 | 7.63 | 15 R | R |
| H8 | 4.73(+0.14) | 36.55 | 7.40 | 15 R | R |
| H9 | 5.10(+0.37) | 41.65 | 6.86 | 16 L | L |
| H10 | 5.20(+0.10) | 46.85 | 6.73 | 16 R | R |
| Finish | 5.83 | 52.68 | 6.86 | — — | — |
Avg. interval
4.50s
Std. deviation
0.41
Deceleration
Stride pattern
Fastest interval: 4.03s (H2–H3).
Deceleration of 10.8% between the first half (8.09 m/s) and the second half (7.21 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
All-time fastest sectors
All-time slowest sectors