On 10 July 2016, Sydney McLaughlin-Levrone (United States) ran their 400 metres hurdles in 54.15 seconds at Eugene (United States Championships).
On 4h/world, this time earns Sydney a Top 21% World ranking.
This performance is the records:
| 19.18 |
| 7.99 |
— L |
L |
| H5 | 4.48(+0.10) | 23.66 | 7.81 | — R | R |
| H6 | 4.61(+0.13) | 28.27 | 7.59 | — R | R |
| H7 | 4.65(+0.04) | 32.92 | 7.53 | — R | R |
| H8 | 4.86(+0.21) | 37.78 | 7.20 | — R | R |
| H9 | 5.08(+0.22) | 42.86 | 6.89 | — L | L |
| H10 | 5.19(+0.11) | 48.05 | 6.74 | — R | R |
| Finish | 6.10 | 54.15 | 6.56 | — — | — |
Avg. interval
4.64s
Std. deviation
0.33
Deceleration
Stride pattern
Fastest interval: 4.21s (H2–H3).
Excellent fatigue resistance: only 9.8% speed loss between the first and second halves (7.82 → 7.05 m/s).
All-time slowest sectors
Max speed
8.31m/s
Avg speed
7.39m/s
Std. deviation
0.33s