| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.79 | 5.79 | 21 | D |
| H2 | 3.59 | 9.38 | 13 | D |
| H3 | 3.65(+0.06) | 13.03 | 13 | D |
| H4 | 3.87(+0.22) | 16.90 | 13 | D |
| H5 | 3.84(-0.03) | 20.74 | 13 | D |
| H6 | 4.13(+0.29) | 24.87 | — | — |
| H7 | 4.49(+0.36) | 29.36 | — | D |
| H8 | 4.65(+0.16) | 34.01 | 15 | D |
| H9 | 4.26(-0.39) | 38.27 | 15 | D |
| H10 | 4.73(+0.47) | 43.00 | 15 | D |
| Finish | 5.66 | 48.66 | — | — |
Total time
Avg. interval
4.13s
Std. deviation
0.40
Deceleration
Stride pattern
Fastest interval: 3.59s (H2–H3).
Deceleration of 13.7% between the first half (8.92 m/s) and the second half (7.7 m/s).
Stutter on H7.
Hurdle fault on H9.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 29% of Elite-level races.
n = 105 races
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 26 July 2026, Caleb Dean (United States) ran their 400 metres hurdles in 48.66 seconds at New York (United States Championships).
Source: https://results.usatf.org/