On 1 July 2021, Femke Broeders-Bol (Netherlands) ran their 400 metres hurdles in 53.33 seconds at Oslo (Diamond League).
On 4h/world, this time earns Femke a Top 14% World ranking.
| 18.93 |
| 8.25 |
15 L |
L |
| H5 | 4.40(+0.16) | 23.33 | 7.95 | 15 L | L |
| H6 | 4.44(+0.04) | 27.77 | 7.88 | 15 L | L |
| H7 | 4.68(+0.24) | 32.45 | 7.48 | 15 L | L |
| H8 | 4.84(+0.16) | 37.29 | 7.23 | 15 L | L |
| H9 | 4.96(+0.12) | 42.25 | 7.06 | 15 L | L |
| H10 | 5.20(+0.24) | 47.45 | 6.73 | 15 L | L |
| Finish | 5.88 | 53.33 | 6.80 | — — | — |
Avg. interval
4.55s
Std. deviation
0.37
Deceleration
Stride pattern
Fastest interval: 4.08s (H2–H3).
Excellent fatigue resistance: only 9.6% speed loss between the first and second halves (7.93 → 7.17 m/s).
Steady stride pattern.
All-time slowest sectors
Max speed
8.58m/s
Avg speed
7.50m/s
Std. deviation
0.37s