On 26 July 2026, Shana Grebo (France) ran their 400 metres hurdles in 56.66 seconds at Albi (France Championships).
On 4h/world, this time earns Shana a Top 10% France ranking.
| 19.46 |
| 7.73 |
16 L |
L |
| H5 | 4.60(+0.07) | 24.06 | 7.61 | 16 R | R |
| H6 | 4.83(+0.23) | 28.89 | 7.25 | 16 L | L |
| H7 | 5.03(+0.20) | 33.92 | 6.96 | 17 L | L |
| H8 | 5.17(+0.14) | 39.09 | 6.77 | 17 L | L |
| H9 | 5.30(+0.13) | 44.39 | 6.60 | 17 L | L |
| H10 | 5.77(+0.47) | 50.16 | 6.07 | 19 L | L |
| Finish | 6.50 | 56.66 | 6.15 | — — | — |
Avg. interval
4.85s
Std. deviation
0.50
Deceleration
Stride pattern
High variability between intervals (σ=0.5s).
Fastest interval: 4.07s (H2–H3).
Deceleration of 14.2% between the first half (7.69 m/s) and the second half (6.6 m/s).
Stride count too high on hurdle intervals: H10, indicating fatigue or a technical imbalance.
Stutter on H10.
Lead leg alternation: 8× Left, 2× Right.