| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.51 | 6.51 | 23 | G |
| H2 | 3.96 | 10.47 | 15 | G |
| H3 | 4.00(+0.04) | 14.47 | 15 | G |
| H4 | 4.23(+0.23) | 18.70 | 15 | G |
| H5 | 4.27(+0.04) | 22.97 | 15 | G |
| H6 | 4.33(+0.06) | 27.30 | 15 | G |
| H7 | 4.77(+0.44) | 32.07 | 16 | D |
| H8 | 4.83(+0.06) | 36.90 | 16 | G |
| H9 | 5.03(+0.20) | 41.93 | 17 | G |
| H10 | 5.10(+0.07) | 47.03 | 17 | G |
| Finish | 6.17 | 53.20 | — | — |
Total time
Avg. interval
4.50s
Std. deviation
0.41
Deceleration
Stride pattern
New personal best!
New national record!
Fastest interval: 3.96s (H2–H3).
Deceleration of 11.7% between the first half (8.05 m/s) and the second half (7.11 m/s).
Steady stride pattern.
Lead leg alternation: 9× Left, 1× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 71% of 400m hurdles Elite-level.
Actual percentile: 71
n = 122 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 September 2026, Paulien Couckuyt (Belgium) ran their 400 metres hurdles in 53.20 seconds at Bruxelles (Diamond League).
On 4h/world, this time earns Paulien a Top 13% World ranking.
This performance is the belgium record.