| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.54 | 6.54 | 23 | D |
| H2 | 4.34 | 10.88 | 15 | D |
| H3 | 4.28(-0.06) | 15.16 | 15 | D |
| H4 | 4.41(+0.13) | 19.57 | 15 | D |
| H5 | 4.51(+0.10) | 24.08 | 15 | D |
| H6 | 4.78(+0.27) | 28.86 | 16 | G |
| H7 | 4.74(-0.04) | 33.60 | 16 | D |
| H8 | 5.04(+0.30) | 38.64 | 16 | G |
| H9 | 5.24(+0.20) | 43.88 | 17 | G |
| H10 | 5.21(-0.03) | 49.09 | 17 | G |
| Finish | 5.84 | 54.93 | — | — |
Total time
Avg. interval
4.73s
Std. deviation
0.35
Deceleration
Stride pattern
New personal best!
Fastest interval: 4.28s (H3–H4).
Excellent fatigue resistance: only 9.3% speed loss between the first and second halves (7.68 → 6.97 m/s).
Steady stride pattern.
Lead leg alternation: 4× Left, 6× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 25% of 400m hurdles Elite-level.
Actual percentile: 25
n = 120 races · 57 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 28 June 2026, Michelle Smith (U.S. Virgin Islands) ran their 400 metres hurdles in 54.93 seconds at Medellín (Others). It's also their new personal best.
The closest performance recorded on 4h/world belongs to Nikoleta Jichova (54.91s at Roma), with 0.02 seconds away.