On 18 July 2026, Lucas Cordonnier (Belgium) ran their 400 metres hurdles in 50.80 seconds at Paris, Charléty (France Championships U20). It's also their new personal best.
| 17.88 |
| 8.77 |
14 R |
R |
| H5 | 4.13(+0.14) | 22.01 | 8.47 | 14 L | L |
| H6 | 4.26(+0.13) | 26.27 | 8.22 | 15 L | L |
| H7 | 4.46(+0.20) | 30.73 | 7.85 | 15 L | L |
| H8 | 4.63(+0.17) | 35.36 | 7.56 | 15 L | L |
| H9 | 4.83(+0.20) | 40.19 | 7.25 | 16 R | R |
| H10 | 4.98(+0.15) | 45.17 | 7.03 | 16 L | L |
| Finish | 5.63 | 50.80 | 7.10 | — — | — |
Avg. interval
4.35s
Std. deviation
0.37
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.91s (H2–H3).
Deceleration of 11.2% between the first half (8.41 m/s) and the second half (7.47 m/s).
Steady stride pattern.
Hurdle fault on H7.
Lead leg alternation: 7× Left, 3× Right.