| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.17 | 6.17 | 23 | D |
| H2 | 3.90 | 10.07 | 15 | D |
| H3 | 4.00(+0.10) | 14.07 | 15 | D |
| H4 | 4.03(+0.03) | 18.10 | 15 | D |
| H5 | 4.23(+0.20) | 22.33 | 15 | D |
| H6 | 4.47(+0.24) | 26.80 | 15 | D |
| H7 | 4.43(-0.04) | 31.23 | 15 | D |
| H8 | 4.67(+0.24) | 35.90 | 15 | D |
| H9 | 4.70(+0.03) | 40.60 | 15 | D |
| H10 | 4.67(-0.03) | 45.27 | 15 | D |
| Finish | 5.16 | 50.43 | — | — |
Total time
Avg. interval
4.34s
Std. deviation
0.30
Deceleration
Stride pattern
Very consistent intervals (σ=0.3s).
Fastest interval: 3.9s (H2–H3).
Excellent fatigue resistance: only 7.6% speed loss between the first and second halves (8.28 → 7.65 m/s).
Stutter on H1.
Stride count and lead leg, hurdle by hurdle
Constant rhythm: no change in stride count.
Percentile position, sector by sector
Faster than 82% of Intermediate-level races.
n = 51 races
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 11 July 2026, Antonio John Forbes (Jamaica) ran their 400 metres hurdles in 50.43 seconds at Tlaxcala (North America Championships U23).