On 15 August 2013, Zuzana Hejnova (Czechia) ran their 400 metres hurdles in 52.83 seconds at Moscou (World Championships).
On 4h/world, this time earns Zuzana a Top 7% World ranking.
This performance is the czechia record.
| 18.86 |
| 8.47 |
15 R |
R |
| H5 | 4.33(+0.20) | 23.19 | 8.08 | 15 R | R |
| H6 | 4.37(+0.04) | 27.56 | 8.01 | 15 R | R |
| H7 | 4.60(+0.23) | 32.16 | 7.61 | 15 R | R |
| H8 | 4.70(+0.10) | 36.86 | 7.45 | 16 L | L |
| H9 | 4.97(+0.27) | 41.83 | 7.04 | 16 R | R |
| H10 | 5.07(+0.10) | 46.90 | 6.90 | 16 L | L |
| Finish | 5.93 | 52.83 | 6.75 | — — | — |
Avg. interval
4.49s
Std. deviation
0.34
Deceleration
Stride pattern
New personal best!
New national record!
Fastest interval: 4.1s (H2–H3).
Excellent fatigue resistance: only 9.1% speed loss between the first and second halves (7.98 → 7.25 m/s).
Steady stride pattern.
Lead leg alternation: 2× Left, 8× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
8.54m/s
Avg speed
7.57m/s
Std. deviation
0.34s