On 12 August 2026, Emma Zapletalova (Slovakia) ran their 400 metres hurdles in 52.91 seconds at Birmingham (Europe Championships).
On 4h/world, this time earns Emma a Top 9% World ranking.
| 18.70 |
| 8.47 |
15 R |
R |
| H5 | 4.28(+0.15) | 22.98 | 8.18 | 15 R | R |
| H6 | 4.52(+0.24) | 27.50 | 7.74 | 15 R | R |
| H7 | 4.57(+0.05) | 32.07 | 7.66 | 15 R | R |
| H8 | 4.83(+0.26) | 36.90 | 7.25 | 15 R | R |
| H9 | 5.10(+0.27) | 42.00 | 6.86 | 16 L | L |
| H10 | 5.10(0.00) | 47.10 | 6.86 | 16 R | R |
| Finish | 5.81 | 52.91 | 6.88 | — — | — |
Avg. interval
4.53s
Std. deviation
0.38
Deceleration
Stride pattern
Fastest interval: 4.1s (H2–H3).
Deceleration of 10.8% between the first half (8.05 m/s) and the second half (7.18 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
All-time slowest sectors
Max speed
8.54m/s
Avg speed
7.56m/s
Std. deviation
0.38s