On 23 July 2023, Shamier Little (United States) ran their 400 metres hurdles in 53.76 seconds at Londres (Diamond League).
On 4h/world, this time earns Shamier a Top 17% World ranking.
| 18.89 |
| 8.10 |
15 R |
R |
| H5 | 4.36(+0.04) | 23.25 | 8.03 | 15 R | R |
| H6 | 4.64(+0.28) | 27.89 | 7.54 | 15 R | R |
| H7 | 4.76(+0.12) | 32.65 | 7.35 | 15 R | R |
| H8 | 4.84(+0.08) | 37.49 | 7.23 | 15 R | R |
| H9 | 5.20(+0.36) | 42.69 | 6.73 | 16 L | L |
| H10 | 5.28(+0.08) | 47.97 | 6.63 | 16 R | R |
| Finish | 5.79 | 53.76 | 6.91 | — — | — |
Avg. interval
4.63s
Std. deviation
0.41
Deceleration
Stride pattern
Fastest interval: 4.08s (H2–H3).
Deceleration of 11.4% between the first half (7.96 m/s) and the second half (7.05 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
8.58m/s
Avg speed
7.44m/s
Std. deviation
0.41s