On 23 July 2023, Janieve Russell (Jamaica) ran their 400 metres hurdles in 53.75 seconds at Londres (Diamond League). It's also their new personal best.
On 4h/world, this time earns Janieve a Top 17% World ranking.
| 19.09 |
| 8.10 |
15 R |
R |
| H5 | 4.32(0.00) | 23.41 | 8.10 | 15 R | R |
| H6 | 4.68(+0.36) | 28.09 | 7.48 | 16 L | L |
| H7 | 4.72(+0.04) | 32.81 | 7.42 | 16 R | R |
| H8 | 4.76(+0.04) | 37.57 | 7.35 | 16 L | L |
| H9 | 4.92(+0.16) | 42.49 | 7.11 | 16 R | R |
| H10 | 5.16(+0.24) | 47.65 | 6.78 | 17 R | R |
| Finish | 6.10 | 53.75 | 6.56 | — — | — |
Avg. interval
4.57s
Std. deviation
0.34
Deceleration
Stride pattern
New personal best!
Fastest interval: 4.12s (H2–H3).
Deceleration of 10.3% between the first half (7.9 m/s) and the second half (7.09 m/s).
Stutter on H10.
Lead leg alternation: 2× Left, 8× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
8.50m/s
Avg speed
7.44m/s
Std. deviation
0.34s