On 15 August 2013, Lashinda Demus (United States) ran their 400 metres hurdles in 54.27 seconds at Moscou (World Championships).
On 4h/world, this time earns Lashinda a Top 22% World ranking.
| 18.67 |
| 8.03 |
15 R |
R |
| H5 | 4.39(+0.03) | 23.06 | 7.97 | 15 R | R |
| H6 | 4.40(+0.01) | 27.46 | 7.95 | 15 R | R |
| H7 | 4.56(+0.16) | 32.02 | 7.68 | 15 R | R |
| H8 | 4.83(+0.27) | 36.85 | 7.25 | 15 R | R |
| H9 | 5.34(+0.51) | 42.19 | 6.55 | 17 R | R |
| H10 | 5.57(+0.23) | 47.76 | 6.28 | 17 R | R |
| Finish | 6.51 | 54.27 | 6.14 | — — | — |
Avg. interval
4.63s
Std. deviation
0.50
Deceleration
Stride pattern
High variability between intervals (σ=0.5s).
Fastest interval: 3.96s (H2–H3).
Deceleration of 14.1% between the first half (8.02 m/s) and the second half (6.89 m/s).
Stutter on H9.
Max speed
8.84m/s
Avg speed
7.37m/s
Std. deviation
0.50s