On 5 July 2026, Louane Bouquet (France) ran their 400 metres hurdles in 64.87 seconds at Montgeron (Regional Championships U20).
| 22.44 |
| 6.65 |
17 R |
R |
| H5 | 5.28(+0.02) | 27.72 | 6.63 | 17 R | R |
| H6 | 5.68(+0.40) | 33.40 | 6.16 | 18 L | L |
| H7 | 5.71(+0.03) | 39.11 | 6.13 | 18 R | R |
| H8 | 5.83(+0.12) | 44.94 | 6.00 | 18 L | L |
| H9 | 6.01(+0.18) | 50.95 | 5.82 | 20 R | R |
| H10 | 6.61(+0.60) | 57.56 | 5.30 | 21 R | R |
| Finish | 7.31 | 64.87 | 5.47 | — — | — |
Avg. interval
5.59s
Std. deviation
0.50
Deceleration
Stride pattern
High variability between intervals (σ=0.5s).
Fastest interval: 4.91s (H2–H3).
Deceleration of 13.3% between the first half (6.67 m/s) and the second half (5.79 m/s).
Significant slowdown on hurdle intervals: H10 exceed the average by more than 1 second.
Stride count too high on hurdle intervals: H10, indicating fatigue or a technical imbalance.
Stutter on H9, H10.
Lead leg alternation: 2× Left, 8× Right.