| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.07 | 6.07 | 21 | G |
| H2 | 4.00 | 10.07 | 14 | D |
| H3 | 4.10(+0.10) | 14.17 | 14 | G |
| H4 | 4.17(+0.07) | 18.34 | 14 | D |
| H5 | 4.27(+0.10) | 22.61 | 14 | G |
| H6 | 4.32(+0.05) | 26.93 | 15 | G |
| H7 | 4.33(+0.01) | 31.26 | 15 | G |
| H8 | 4.50(+0.17) | 35.76 | 15 | G |
| H9 | 4.60(+0.10) | 40.36 | 15 | G |
| H10 | 4.67(+0.07) | 45.03 | 15 | G |
| Finish | 5.13 | 50.16 | — | — |
Total time
Avg. interval
4.33s
Std. deviation
0.21
Deceleration
Stride pattern
New personal best!
Very consistent intervals (σ=0.21s).
Fastest interval: 4s (H2–H3).
Very low deceleration (4.6%: 8.18 → 7.8 m/s), a likely sign of an over-managed first half.
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 89% of 400m hurdles Intermediate-level.
Actual percentile: 89
n = 70 races · 64 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 20 June 2026, James Kerr (Canada) ran their 400 metres hurdles in 50.16 seconds at Ottawa (Canada Championships). It's also their new personal best.
The closest performance recorded on 4h/world belongs to Aymeric Dutrevis (50.15s at Paris, Charléty), with 0.01 seconds away.