| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.91 | 5.91 | 20 | G |
| H2 | 3.67 | 9.58 | 13 | G |
| H3 | 3.67(0.00) | 13.25 | 12 | D |
| H4 | 3.73(+0.06) | 16.98 | 12 | G |
| H5 | 3.73(0.00) | 20.71 | 12 | D |
| H6 | 4.03(+0.30) | 24.74 | 12 | G |
| H7 | 4.17(+0.14) | 28.91 | 13 | G |
| H8 | 4.23(+0.06) | 33.14 | 13 | G |
| H9 | 4.60(+0.37) | 37.74 | 14 | D |
| H10 | 4.47(-0.13) | 42.21 | 13 | D |
| Finish | 5.02 | 47.23 | — | — |
Total time
Avg. interval
4.03s
Std. deviation
0.34
Deceleration
Stride pattern
Fastest interval: 3.67s (H2–H3).
Excellent fatigue resistance: only 9.2% speed loss between the first and second halves (8.93 → 8.11 m/s).
Steady stride pattern.
Lead leg alternation: 6× Left, 4× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 88% of 400m hurdles Elite-level.
Actual percentile: 88
n = 148 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 28 May 2022, Alison Dos Santos (Brazil) ran their 400 metres hurdles in 47.23 seconds at Eugene (Diamond League).
On 4h/world, this time earns Alison a Top 7% World ranking.