| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.79 | 5.79 | 20 | D |
| H2 | 3.64 | 9.43 | 13 | D |
| H3 | 3.70(+0.06) | 13.13 | 13 | D |
| H4 | 3.77(+0.07) | 16.90 | 13 | D |
| H5 | 3.87(+0.10) | 20.77 | 13 | D |
| H6 | 3.94(+0.07) | 24.71 | 13 | D |
| H7 | 3.97(+0.03) | 28.68 | 13 | D |
| H8 | 4.07(+0.10) | 32.75 | 13 | D |
| H9 | 4.24(+0.17) | 36.99 | 13 | D |
| H10 | 4.47(+0.23) | 41.46 | 13 | D |
| Finish | 5.16 | 46.62 | — | — |
Total time
Avg. interval
3.96s
Std. deviation
0.25
Deceleration
Stride pattern
Very consistent intervals (σ=0.25s).
Fastest interval: 3.64s (H2–H3).
Excellent fatigue resistance: only 6.6% speed loss between the first and second halves (8.91 → 8.32 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 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 9 July 2023, Benjamin Rai (United States) ran their 400 metres hurdles in 46.62 seconds at Eugene (Diamond League).
On 4h/world, this time earns Benjamin a Top 2% World ranking.