| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.46 | 6.46 | 24 | D |
| H2 | 3.95 | 10.41 | 15 | D |
| H3 | 4.10(+0.15) | 14.51 | 15 | D |
| H4 | 4.22(+0.12) | 18.73 | 15 | D |
| H5 | 4.46(+0.24) | 23.19 | 16 | G |
| H6 | 4.63(+0.17) | 27.82 | 16 | D |
| H7 | 4.79(+0.16) | 32.61 | 17 | D |
| H8 | 5.05(+0.26) | 37.66 | 17 | D |
| H9 | 4.98(-0.07) | 42.64 | 17 | D |
| H10 | 5.12(+0.14) | 47.76 | 17 | D |
| Finish | 6.19 | 53.95 | — | — |
Total time
Avg. interval
4.59s
Std. deviation
0.41
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.95s (H2–H3).
Deceleration of 12.4% between the first half (7.98 m/s) and the second half (6.99 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 35% of Elite-level races.
n = 79 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, Deonca Bookman (United States) ran their 400 metres hurdles in 53.95 seconds at New York (United States Championships). It's also their new personal best.
Data source: https://results.usatf.org/2026Outdoors/?mid=9056&en=20-2