On 4 August 2021, Sydney McLaughlin-Levrone (United States) ran their 400 metres hurdles in 51.46 seconds at Tokyo (Olympic Games).
On 4h/world, this time earns Sydney a Top 1% World ranking.
| 18.43 |
| 8.50 |
14 L |
L |
| H5 | 4.28(+0.16) | 22.71 | 8.18 | 14 R | R |
| H6 | 4.36(+0.08) | 27.07 | 8.03 | 14 L | L |
| H7 | 4.60(+0.24) | 31.67 | 7.61 | 14 R | R |
| H8 | 4.72(+0.12) | 36.39 | 7.42 | 15 R | R |
| H9 | 4.88(+0.16) | 41.27 | 7.17 | 16 L | L |
| H10 | 4.84(-0.04) | 46.11 | 7.23 | 15 L | L |
| Finish | 5.35 | 51.46 | 7.48 | — — | — |
Avg. interval
4.44s
Std. deviation
0.31
Deceleration
Stride pattern
Fastest interval: 4.04s (H2–H3).
Excellent fatigue resistance: only 8.2% speed loss between the first and second halves (8.15 → 7.48 m/s).
Stutter on H9.
Lead leg alternation: 5× Left, 5× Right.
Max speed
8.66m/s
Avg speed
7.77m/s
Std. deviation
0.31s