On 30 June 2026, Shana Grebo (France) ran their 400 metres hurdles in 57.57 seconds at Montréal (Montréal Meeting).
On 4h/world, this time earns Shana a Top 18% France ranking.
| 20.03 |
| 7.54 |
16 R |
R |
| H5 | 4.68(+0.04) | 24.71 | 7.48 | 17 R | R |
| H6 | 5.08(+0.40) | 29.79 | 6.89 | 18 L | L |
| H7 | 5.14(+0.06) | 34.93 | 6.81 | 18 R | R |
| H8 | 5.40(+0.26) | 40.33 | 6.48 | 18 L | L |
| H9 | 5.53(+0.13) | 45.86 | 6.33 | 19 L | L |
| H10 | 5.60(+0.07) | 51.46 | 6.25 | 19 L | L |
| Finish | 6.11 | 57.57 | 6.55 | — — | — |
Avg. interval
4.98s
Std. deviation
0.45
Deceleration
Stride pattern
Fastest interval: 4.28s (H2–H3).
Deceleration of 12.6% between the first half (7.49 m/s) and the second half (6.54 m/s).
Stride count too high on hurdle intervals: H9, H10, indicating fatigue or a technical imbalance.
Stutter on H5, H6, H7, H9, H10.
Lead leg alternation: 7× Left, 3× Right.