On 24 August 2023, Femke Broeders-Bol (Netherlands) ran their 400 metres hurdles in 51.70 seconds at Budapest (World Championships).
On 4h/world, this time earns Femke a Top 2% World ranking.
| 18.44 |
| 8.75 |
14 R |
R |
| H5 | 4.20(+0.20) | 22.64 | 8.33 | 14 L | L |
| H6 | 4.44(+0.24) | 27.08 | 7.88 | 14 R | R |
| H7 | 4.48(+0.04) | 31.56 | 7.81 | 14 L | L |
| H8 | 4.68(+0.20) | 36.24 | 7.48 | 15 L | L |
| H9 | 4.84(+0.16) | 41.08 | 7.23 | 15 L | L |
| H10 | 4.92(+0.08) | 46.00 | 7.11 | 15 L | L |
| Finish | 5.70 | 51.70 | 7.02 | — — | — |
Avg. interval
4.40s
Std. deviation
0.34
Deceleration
Stride pattern
Fastest interval: 3.92s (H3–H4).
Excellent fatigue resistance: only 9.5% speed loss between the first and second halves (8.17 → 7.4 m/s).
Steady stride pattern.
Lead leg alternation: 7× Left, 3× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
8.93m/s
Avg speed
7.74m/s
Std. deviation
0.34s