| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.69 | 5.69 | 20 | G |
| H2 | 3.77 | 9.46 | 13 | G |
| H3 | 3.66(-0.11) | 13.12 | 12 | D |
| H4 | 3.54(-0.12) | 16.66 | 12 | G |
| H5 | 3.80(+0.26) | 20.46 | 12 | D |
| H6 | 3.87(+0.07) | 24.33 | 12 | G |
| H7 | 4.07(+0.20) | 28.40 | 13 | G |
| H8 | 4.27(+0.20) | 32.67 | 13 | G |
| H9 | 4.40(+0.13) | 37.07 | 13 | G |
| H10 | 4.50(+0.10) | 41.57 | 13 | G |
| Finish | 5.13 | 46.70 | — | — |
Total time
Avg. interval
3.99s
Std. deviation
0.32
Deceleration
Stride pattern
Fastest interval: 3.54s (H4–H5).
Excellent fatigue resistance: only 9.4% speed loss between the first and second halves (9.04 → 8.19 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 96% of 400m hurdles Elite-level.
Actual percentile: 96
n = 155 races · 76 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 5 September 2026, Alison Dos Santos (Brazil) ran their 400 metres hurdles in 46.70 seconds at Bruxelles (Diamond League).
On 4h/world, this time earns Alison a Top 2% World ranking.