On 18 July 2026, Jules-Giuseppe Moreau (France) ran their 400 metres hurdles in 53.46 seconds at Paris, Charléty (France Championships U20). It's also their new personal best.
| 18.97 |
| 8.16 |
15 R |
R |
| H5 | 4.41(+0.12) | 23.38 | 7.94 | 15 R | R |
| H6 | 4.56(+0.15) | 27.94 | 7.68 | 15 R | R |
| H7 | 4.68(+0.12) | 32.62 | 7.48 | 15 R | R |
| H8 | 4.81(+0.13) | 37.43 | 7.28 | 15 R | R |
| H9 | 5.16(+0.35) | 42.59 | 6.78 | 15 R | R |
| H10 | 5.24(+0.08) | 47.83 | 6.68 | 15 R | R |
| Finish | 5.63 | 53.46 | 7.10 | — — | — |
Avg. interval
4.61s
Std. deviation
0.38
Deceleration
Stride pattern
New personal best!
Fastest interval: 4.08s (H2–H3).
Excellent fatigue resistance: only 9.7% speed loss between the first and second halves (7.91 → 7.15 m/s).
Steady stride pattern.
Hurdle fault on H5.