On 24 August 2023, Shamier Little (United States) ran their 400 metres hurdles in 52.80 seconds at Budapest (World Championships).
On 4h/world, this time earns Shamier a Top 7% World ranking.
| 18.72 |
| 8.50 |
15 R |
R |
| H5 | 4.32(+0.20) | 23.04 | 8.10 | 15 R | R |
| H6 | 4.44(+0.12) | 27.48 | 7.88 | 15 R | R |
| H7 | 4.52(+0.08) | 32.00 | 7.74 | 15 R | R |
| H8 | 4.64(+0.12) | 36.64 | 7.54 | 15 R | R |
| H9 | 4.92(+0.28) | 41.56 | 7.11 | 15 R | R |
| H10 | 5.28(+0.36) | 46.84 | 6.63 | 16 L | L |
| Finish | 5.96 | 52.80 | 6.71 | — — | — |
Avg. interval
4.51s
Std. deviation
0.36
Deceleration
Stride pattern
Fastest interval: 4.12s (H4–H5).
Excellent fatigue resistance: only 10% speed loss between the first and second halves (8.03 → 7.22 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
8.50m/s
Avg speed
7.58m/s
Std. deviation
0.36s