| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.39 | 6.39 | 22 | G |
| H2 | 3.96 | 10.35 | 15 | G |
| H3 | 4.00(+0.04) | 14.35 | 15 | G |
| H4 | 4.08(+0.08) | 18.43 | 15 | G |
| H5 | 4.20(+0.12) | 22.63 | 15 | G |
| H6 | 4.40(+0.20) | 27.03 | 15 | G |
| H7 | 4.64(+0.24) | 31.67 | 15 | G |
| H8 | 4.68(+0.04) | 36.35 | 15 | G |
| H9 | 4.88(+0.20) | 41.23 | 15 | G |
| H10 | 5.00(+0.12) | 46.23 | 15 | G |
| Finish | 5.80 | 52.03 | — | — |
Total time
Avg. interval
4.43s
Std. deviation
0.37
Deceleration
Stride pattern
Fastest interval: 3.96s (H2–H3).
Deceleration of 10.5% between the first half (8.17 m/s) and the second half (7.31 m/s).
Steady stride pattern.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 93% of 400m hurdles Elite-level.
Actual percentile: 93
n = 120 races · 58 athletes
Position within the pacing-consistency distribution (a higher value isn't necessarily a better race).
Position within the speed-loss distribution between the two race halves (a low value isn't always better pacing).
Hurdle fault rate, compared to the database.
On 4 August 2021, Femke Broeders-Bol (Netherlands) ran their 400 metres hurdles in 52.03 seconds at Tokyo (Olympic Games).
On 4h/world, this time earns Femke a Top 3% World ranking.
This performance is the europe record U23.