On 18 July 2026, Manon Osouf (France) ran their 400 metres hurdles in 66.11 seconds at Paris, Charléty (France Championships U20).
18 L |
L |
| H4 | 5.45(+0.25) | 23.02 | 6.42 | 18 R | R |
| H5 | 5.54(+0.09) | 28.56 | 6.32 | 18 L | L |
| H6 | 5.67(+0.13) | 34.23 | 6.17 | 18 R | R |
| H7 | 5.92(+0.25) | 40.15 | 5.91 | 19 R | R |
| H8 | 6.19(+0.27) | 46.34 | 5.65 | 19 R | R |
| H9 | 6.42(+0.23) | 52.76 | 5.45 | 19 R | R |
| H10 | 6.49(+0.07) | 59.25 | 5.39 | 20 L | L |
| Finish | 6.86 | 66.11 | 5.83 | — — | — |
Avg. interval
5.77s
Std. deviation
0.49
Deceleration
Stride pattern
Fastest interval: 5.02s (H2–H3).
Deceleration of 11.6% between the first half (6.48 m/s) and the second half (5.73 m/s).
Steady stride pattern.
Hurdle fault on H2.
Lead leg alternation: 4× Left, 6× Right.