| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.78 | 6.78 | 23 | D |
| H2 | 4.33 | 11.11 | 15 | D |
| H3 | 4.37(+0.04) | 15.48 | 15 | D |
| H4 | 4.43(+0.06) | 19.91 | 15 | D |
| H5 | 4.55(+0.12) | 24.46 | 15 | D |
| H6 | 4.78(+0.23) | 29.24 | 15 | D |
| H7 | 4.91(+0.13) | 34.15 | — | — |
| H8 | 5.20(+0.29) | 39.35 | — | D |
| H9 | 5.17(-0.03) | 44.52 | 16 | G |
| H10 | 5.18(+0.01) | 49.70 | 16 | D |
| Finish | 5.64 | 55.34 | — | — |
Total time
Avg. interval
4.77s
Std. deviation
0.34
Deceleration
Stride pattern
Fastest interval: 4.33s (H2–H3).
Excellent fatigue resistance: only 7.9% speed loss between the first and second halves (7.56 → 6.96 m/s).
Lead leg alternation: 1× Left, 8× Right.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 17% of 400m hurdles Elite-level.
Actual percentile: 17
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 28 June 2026, Bianca Stubler (United States) ran their 400 metres hurdles in 55.34 seconds at Medellín (Others).
The closest performance recorded on 4h/world belongs to Alexandra Ștefania Uta (55.33s at Eugene), with 0.01 seconds away.