| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.70 | 5.70 | 20 | D |
| H2 | 3.56 | 9.26 | 13 | D |
| H3 | 3.68(+0.12) | 12.94 | 13 | D |
| H4 | 3.64(-0.04) | 16.58 | 13 | D |
| H5 | 3.76(+0.12) | 20.34 | 13 | D |
| H6 | 3.88(+0.12) | 24.22 | 13 | D |
| H7 | 4.00(+0.12) | 28.22 | 13 | D |
| H8 | 4.08(+0.08) | 32.30 | 13 | D |
| H9 | 4.20(+0.12) | 36.50 | 13 | D |
| H10 | 4.36(+0.16) | 40.86 | 13 | D |
| Finish | 5.31 | 46.17 | — | — |
Total time
Avg. interval
3.91s
Std. deviation
0.26
Deceleration
Stride pattern
New personal best!
New national record!
New area record!
Very consistent intervals (σ=0.26s).
Fastest interval: 3.56s (H2–H3).
Excellent fatigue resistance: only 8.5% speed loss between the first and second halves (9.1 → 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 97% of 400m hurdles Elite-level.
Actual percentile: 97
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 17 August 2021, Benjamin Rai (United States) ran their 400 metres hurdles in 46.17 seconds at Tokyo (Olympic Games).
On 4h/world, this time earns Benjamin a Top 1% World ranking.
This performance is the records: