On 15 June 2023, CJ Allen (United States) ran their 400 metres hurdles in 47.58 seconds at Oslo (Diamond League). It's also their new personal best.
On 4h/world, this time earns CJ a Top 10% World ranking.
| 16.97 |
| 9.19 |
13 L |
L |
| H5 | 3.88(+0.07) | 20.85 | 9.02 | 13 L | L |
| H6 | 4.12(+0.24) | 24.97 | 8.50 | 13 L | L |
| H7 | 4.16(+0.04) | 29.13 | 8.41 | 14 R | R |
| H8 | 4.17(+0.01) | 33.30 | 8.39 | 14 L | L |
| H9 | 4.36(+0.19) | 37.66 | 8.03 | 14 R | R |
| H10 | 4.56(+0.20) | 42.22 | 7.68 | 14 L | L |
| Finish | 5.36 | 47.58 | 7.46 | — — | — |
Avg. interval
4.05s
Std. deviation
0.29
Deceleration
Stride pattern
New personal best!
Very consistent intervals (σ=0.29s).
Fastest interval: 3.68s (H2–H3).
Excellent fatigue resistance: only 9.3% speed loss between the first and second halves (8.87 → 8.04 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.
All-time fastest sectors
All-time slowest sectors