| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.66 | 6.66 | 23 | G |
| H2 | 4.10 | 10.76 | 15 | G |
| H3 | 4.13(+0.03) | 14.89 | 15 | G |
| H4 | 4.23(+0.10) | 19.12 | 15 | G |
| H5 | 4.40(+0.17) | 23.52 | 15 | G |
| H6 | 4.67(+0.27) | 28.19 | 16 | D |
| H7 | 4.88(+0.21) | 33.07 | 17 | D |
| H8 | 5.10(+0.22) | 38.17 | 17 | D |
| H9 | 5.07(-0.03) | 43.24 | 17 | D |
| H10 | 5.20(+0.13) | 48.44 | 17 | D |
| Finish | 5.53 | 53.97 | — | — |
Total time
Avg. interval
4.64s
Std. deviation
0.41
Deceleration
Stride pattern
Fastest interval: 4.1s (H2–H3).
Deceleration of 10.2% between the first half (7.87 m/s) and the second half (7.06 m/s).
Stutter on H7, H8.
Lead leg alternation: 5× Left, 5× Right.
Stride count and lead leg, hurdle by hurdle
Percentile position, sector by sector
Faster than 52% of 400m hurdles Elite-level.
Actual percentile: 52
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 12 July 2026, Emily Newnham (United Kingdom) ran their 400 metres hurdles in 53.97 seconds at Tampere (International Meeting).
On 4h/world, this time earns Emily a Top 22% World ranking.