| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.19 | 6.19 | 22 | D |
| H2 | 4.04 | 10.23 | 14 | G |
| H3 | 4.08(+0.04) | 14.31 | 14 | D |
| H4 | 4.12(+0.04) | 18.43 | 14 | G |
| H5 | 4.28(+0.16) | 22.71 | 14 | D |
| H6 | 4.36(+0.08) | 27.07 | 14 | G |
| H7 | 4.60(+0.24) | 31.67 | 14 | D |
| H8 | 4.72(+0.12) | 36.39 | 15 | D |
| H9 | 4.88(+0.16) | 41.27 | 16 | G |
| H10 | 4.84(-0.04) | 46.11 | 15 | G |
| Finish | 5.35 | 51.46 | — | — |
Total time
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.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 97% of 400m hurdles Elite-level.
Actual percentile: 97
n = 122 races · 58 athletes
Position within the pacing-consistency distribution (a higher value isn't necessarily a better race).
Position within the speed-loss distribution between the two race halves (a low value isn't always better pacing).
Hurdle fault rate, compared to the database.
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 2% World ranking.