| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.25 | 6.25 | 21 | G |
| H2 | 4.00 | 10.25 | 14 | D |
| H3 | 4.14(+0.14) | 14.39 | 14 | G |
| H4 | 4.18(+0.04) | 18.57 | 15 | G |
| H5 | 4.22(+0.04) | 22.79 | 15 | G |
| H6 | 4.30(+0.08) | 27.09 | 15 | G |
| H7 | 4.54(+0.24) | 31.63 | 15 | G |
| H8 | 4.72(+0.18) | 36.35 | 15 | G |
| H9 | 4.86(+0.14) | 41.21 | 15 | G |
| H10 | 4.98(+0.12) | 46.19 | 15 | G |
| Finish | 5.59 | 51.78 | — | — |
Total time
Avg. interval
4.44s
Std. deviation
0.33
Deceleration
Stride pattern
New personal best!
Fastest interval: 4s (H2–H3).
Excellent fatigue resistance: only 8.6% speed loss between the first and second halves (8.12 → 7.42 m/s).
Stutter on H4.
Lead leg alternation: 9× Left, 1× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 30% of 400m hurdles Intermediate-level.
Actual percentile: 30
n = 70 races · 64 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 9 July 2026, Diego Mancini (Italy) ran their 400 metres hurdles in 51.78 seconds at Caorle (Italy Championships). It's also their new personal best.
The closest performance recorded on 4h/world belongs to Omri Shiff (51.78s at Volos), with 0.00 seconds away.