| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.16 | 6.16 | 20 | D |
| H2 | 3.63 | 9.79 | 13 | D |
| H3 | 3.75(+0.12) | 13.54 | 13 | D |
| H4 | 3.80(+0.05) | 17.34 | 13 | D |
| H5 | 3.87(+0.07) | 21.21 | 13 | D |
| H6 | 4.06(+0.19) | 25.27 | 13 | D |
| H7 | 4.40(+0.34) | 29.67 | 15 | D |
| H8 | 4.61(+0.21) | 34.28 | 15 | D |
| H9 | 4.60(-0.01) | 38.88 | 13 | D |
| H10 | 4.74(+0.14) | 43.62 | 13 | D |
| Finish | 5.85 | 49.47 | — | — |
Total time
Avg. interval
4.16s
Std. deviation
0.40
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.63s (H2–H3).
Deceleration of 12.8% between the first half (8.72 m/s) and the second half (7.61 m/s).
Stutter on H7.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 11% of 400m hurdles Elite-level.
Actual percentile: 11
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 26 July 2026, Noah Langford (United States) ran their 400 metres hurdles in 49.47 seconds at New York (United States Championships). It's also their new personal best.
The closest performance recorded on 4h/world belongs to Jevon Williams (49.48s at New York), with 0.01 seconds away.
Data source: https://results.usatf.org