| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.89 | 5.89 | 21 | D |
| H2 | 3.63 | 9.52 | 13 | D |
| H3 | 3.77(+0.14) | 13.29 | 13 | D |
| H4 | 3.83(+0.06) | 17.12 | 13 | D |
| H5 | 3.90(+0.07) | 21.02 | 13 | D |
| H6 | 4.10(+0.20) | 25.12 | 13 | D |
| H7 | 4.17(+0.07) | 29.29 | 14 | G |
| H8 | 4.27(+0.10) | 33.56 | 14 | D |
| H9 | 4.57(+0.30) | 38.13 | 15 | D |
| H10 | 4.63(+0.06) | 42.76 | 15 | D |
| Finish | 5.34 | 48.10 | — | — |
Total time
Avg. interval
4.10s
Std. deviation
0.33
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.63s (H2–H3).
Excellent fatigue resistance: only 9.8% speed loss between the first and second halves (8.8 → 7.94 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 50% of 400m hurdles Elite-level.
Actual percentile: 50
n = 155 races · 75 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, Khallifah Rosser (United States) ran their 400 metres hurdles in 48.10 seconds at Eugene (Diamond League). It's also their new personal best.
On 4h/world, this time earns Khallifah a Top 27% World ranking.