On 4 October 2019, Sydney McLaughlin-Levrone (United States) ran their 400 metres hurdles in 52.23 seconds at Doha (World Championships).
On 4h/world, this time earns Sydney a Top 3% World ranking.
R |
| H3 | 4.12(+0.08) | 14.48 | 8.50 | 15 R | R |
| H4 | 4.15(+0.03) | 18.63 | 8.43 | 15 R | R |
| H5 | 4.44(+0.29) | 23.07 | 7.88 | 15 R | R |
| H6 | 4.48(+0.04) | 27.55 | 7.81 | 15 R | R |
| H7 | 4.52(+0.04) | 32.07 | 7.74 | 15 R | R |
| H8 | 4.76(+0.24) | 36.83 | 7.35 | 16 L | L |
| H9 | 4.88(+0.12) | 41.71 | 7.17 | 16 R | R |
| H10 | 4.96(+0.08) | 46.67 | 7.06 | 16 L | L |
| Finish | 5.56 | 52.23 | 7.19 | — — | — |
Avg. interval
4.48s
Std. deviation
0.32
Deceleration
Stride pattern
Fastest interval: 4.04s (H2–H3).
Excellent fatigue resistance: only 8.1% speed loss between the first and second halves (8.02 → 7.37 m/s).
Stutter on H2, H8.
Lead leg alternation: 2× Left, 8× Right.
Max speed
8.66m/s
Avg speed
7.66m/s
Std. deviation
0.32s