| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.00 | 6.00 | 22 | D |
| H2 | 3.84 | 9.84 | 14 | G |
| H3 | 4.08(+0.24) | 13.92 | 14 | D |
| H4 | 4.08(0.00) | 18.00 | 14 | G |
| H5 | 4.16(+0.08) | 22.16 | 14 | D |
| H6 | 4.28(+0.12) | 26.44 | 14 | G |
| H7 | 4.40(+0.12) | 30.84 | 14 | D |
| H8 | 4.56(+0.16) | 35.40 | 15 | D |
| H9 | 4.64(+0.08) | 40.04 | 15 | D |
| H10 | 4.76(+0.12) | 44.80 | 15 | D |
| Finish | 5.57 | 50.37 | — | — |
Total time
Avg. interval
4.31s
Std. deviation
0.29
Deceleration
Stride pattern
New personal best!
New national record!
New area record!
World record performance!
Very consistent intervals (σ=0.29s).
Fastest interval: 3.84s (H2–H3).
Excellent fatigue resistance: only 8.7% speed loss between the first and second halves (8.35 → 7.62 m/s).
Steady stride pattern.
Lead leg alternation: 3× Left, 7× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 100% of 400m hurdles Elite-level.
Actual percentile: 100
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 8 August 2024, Sydney McLaughlin-Levrone (United States) ran their 400 metres hurdles in 50.37 seconds at Paris (Olympic Games).
On 4h/world, this time earns Sydney a Top 1 World ranking.
This performance is the records: