| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 5.94 | 5.94 | 21 | D |
| H2 | 3.80 | 9.74 | 14 | G |
| H3 | 3.83(+0.03) | 13.57 | 14 | D |
| H4 | 3.65(-0.18) | 17.22 | 13 | D |
| H5 | 3.83(+0.18) | 21.05 | 13 | D |
| H6 | 4.05(+0.22) | 25.10 | 13 | D |
| H7 | 4.17(+0.12) | 29.27 | 13 | D |
| H8 | 4.47(+0.30) | 33.74 | 14 | G |
| H9 | 4.77(+0.30) | 38.51 | 15 | G |
| H10 | 4.85(+0.08) | 43.36 | 16 | D |
| Finish | 7.09 | 50.45 | — | — |
Total time
Avg. interval
4.16s
Std. deviation
0.42
Deceleration
Stride pattern
Fastest interval: 3.65s (H4–H5).
High deceleration: 16.8% speed loss in the second half (8.79 → 7.31 m/s), to work on with speed endurance.
Stride count too high on hurdle intervals: H10, indicating fatigue or a technical imbalance.
Stutter on H10.
Hurdle fault on H8, H10.
Lead leg alternation: 3× Left, 7× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 85% of Intermediate-level races.
n = 48 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 18 July 2026, Caleb Dean (United States) ran their 400 metres hurdles in 50.45 seconds at Londres (Diamond League).