| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.65 | 6.65 | 22 | G |
| H2 | 4.33 | 10.98 | 15 | G |
| H3 | 4.37(+0.04) | 15.35 | 15 | G |
| H4 | 4.33(-0.04) | 19.68 | 14 | D |
| H5 | 4.58(+0.25) | 24.26 | 15 | D |
| H6 | 4.58(0.00) | 28.84 | 15 | D |
| H7 | 4.66(+0.08) | 33.50 | 15 | D |
| H8 | 4.73(+0.07) | 38.23 | 15 | D |
| H9 | 4.84(+0.11) | 43.07 | 15 | D |
| H10 | 4.95(+0.11) | 48.02 | 15 | D |
| Finish | 5.70 | 53.72 | — | — |
Total time
Avg. interval
4.60s
Std. deviation
0.21
Deceleration
Stride pattern
Very consistent intervals (σ=0.21s).
Fastest interval: 4.33s (H2–H3).
Very low deceleration (4.3%: 7.63 → 7.3 m/s), a likely sign of an over-managed first half.
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 60% of 400m hurdles Elite-level.
Actual percentile: 60
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 18 August 2016, Ashley Spencer (United States) ran their 400 metres hurdles in 53.72 seconds at Rio de Janeiro (Olympic Games).
On 4h/world, this time earns Ashley a Top 18% World ranking.