| Sectors | Splits | Cumulative | Strides | Lead leg |
|---|---|---|---|---|
| Start - H1 | 6.50 | 6.50 | 23 | G |
| H2 | 4.03 | 10.53 | 15 | G |
| H3 | 4.18(+0.15) | 14.71 | 15 | G |
| H4 | 4.28(+0.10) | 18.99 | 15 | G |
| H5 | 4.38(+0.10) | 23.37 | 15 | G |
| H6 | 4.44(+0.06) | 27.81 | 15 | G |
| H7 | 4.69(+0.25) | 32.50 | — | — |
| H8 | 4.82(+0.13) | 37.32 | — | D |
| H9 | 4.87(+0.05) | 42.19 | 16 | G |
| H10 | 5.07(+0.20) | 47.26 | 17 | — |
| Finish | 5.64 | 52.90 | — | — |
Total time
Avg. interval
4.53s
Std. deviation
0.33
Deceleration
Stride pattern
New personal best!
Fastest interval: 4.03s (H2–H3).
Excellent fatigue resistance: only 8% speed loss between the first and second halves (7.92 → 7.28 m/s).
Lead leg alternation: 7× Left, 1× Right.
Stride count and lead leg, hurdle by hurdle
Your splits vs a reference based on S. McLaughlin-Levrone · 50.37s
| Hurdle | Actual | Reference | Gap |
|---|---|---|---|
| H1 | 6.50 | 6.30 | +0.20 |
| H2 | 10.53 | 10.33 | +0.20 |
| H3 | 14.71 | 14.62 | +0.09 |
| H4 | 18.99 | 18.90 | +0.09 |
| H5 | 23.37 | 23.27 | +0.10 |
| H6 | 27.81 | 27.77 | +0.04 |
| H7 | 32.50 | 32.39 | +0.11 |
| H8 | 37.32 | 37.18 | +0.14 |
| H9 | 42.19 | 42.05 | +0.14 |
| H10 | 47.26 | 47.05 | +0.21 |
| Finish | 52.90 | 52.90 | 0.00 |
Negative gap = ahead of the reference (fast start), positive = behind. The reference distributes the target time like the reference performance.
On 16 August 1995, Tonja Buford (United States) ran their 400 metres hurdles in 52.90 seconds at Zürich (International Meeting). It's also their new personal best.