On 9 August 2024, Alison Dos Santos (Brazil) ran their 400 metres hurdles in 47.26 seconds at Paris (Olympic Games).
On 4h/world, this time earns Alison a Top 7% World ranking.
| 16.73 |
| 9.46 |
12 L |
L |
| H5 | 3.83(+0.13) | 20.56 | 9.14 | 12 R | R |
| H6 | 3.90(+0.07) | 24.46 | 8.97 | 12 L | L |
| H7 | 4.10(+0.20) | 28.56 | 8.54 | 13 L | L |
| H8 | 4.23(+0.13) | 32.79 | 8.27 | 13 L | L |
| H9 | 4.40(+0.17) | 37.19 | 7.95 | 13 L | L |
| H10 | 4.60(+0.20) | 41.79 | 7.61 | 13 L | L |
| Finish | 5.47 | 47.26 | 7.31 | — — | — |
Avg. interval
4.00s
Std. deviation
0.33
Deceleration
Stride pattern
Fastest interval: 3.6s (H2–H3).
Deceleration of 10.5% between the first half (9 m/s) and the second half (8.05 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.
Max speed
9.72m/s
Avg speed
8.46m/s
Std. deviation
0.33s