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.
On 4h/world, this time earns Deonca a Top 18% World ranking.
| 18.73 |
| 8.29 |
15 R |
R |
| H5 | 4.46(+0.24) | 23.19 | 7.85 | 16 L | L |
| H6 | 4.63(+0.17) | 27.82 | 7.56 | 16 R | R |
| H7 | 4.79(+0.16) | 32.61 | 7.31 | 17 R | R |
| H8 | 5.05(+0.26) | 37.66 | 6.93 | 17 R | R |
| H9 | 4.98(-0.07) | 42.64 | 7.03 | 17 R | R |
| H10 | 5.12(+0.14) | 47.76 | 6.84 | 17 R | R |
| Finish | 6.19 | 53.95 | 6.46 | — — | — |
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.
Max speed
8.86m/s
Avg speed
7.41m/s
Std. deviation
0.41s