On 21 July 2023, CJ Allen (United States) ran their 400 metres hurdles in 47.84 seconds at Monaco (Diamond League).
On 4h/world, this time earns CJ a Top 17% World ranking.
| 16.79 |
| 9.31 |
13 L |
L |
| H5 | 3.89(+0.13) | 20.68 | 9.00 | 13 L | L |
| H6 | 3.99(+0.10) | 24.67 | 8.77 | 13 L | L |
| H7 | 4.12(+0.13) | 28.79 | 8.50 | 13 L | L |
| H8 | 4.36(+0.24) | 33.15 | 8.03 | 14 R | R |
| H9 | 4.52(+0.16) | 37.67 | 7.74 | 14 L | L |
| H10 | 4.76(+0.24) | 42.43 | 7.35 | 15 L | L |
| Finish | 5.41 | 47.84 | 7.39 | — — | — |
Avg. interval
4.08s
Std. deviation
0.37
Deceleration
Stride pattern
Fastest interval: 3.64s (H2–H3).
Deceleration of 11.5% between the first half (8.95 m/s) and the second half (7.92 m/s).
Steady stride pattern.
Lead leg alternation: 9× Left, 1× Right.
All-time fastest sectors
All-time slowest sectors