On 5 July 2026, Aliou Ba (France) ran their 400 metres hurdles in 58.59 seconds at Montgeron (Regional Championships U20).
| 20.35 |
| 7.58 |
15 R |
R |
| H5 | 4.83(+0.21) | 25.18 | 7.25 | 15 R | R |
| H6 | 4.87(+0.04) | 30.05 | 7.19 | 15 R | R |
| H7 | 5.10(+0.23) | 35.15 | 6.86 | 15 R | R |
| H8 | 5.43(+0.33) | 40.58 | 6.45 | 16 L | L |
| H9 | 5.70(+0.27) | 46.28 | 6.14 | 16 R | R |
| H10 | 5.77(+0.07) | 52.05 | 6.07 | 17 R | R |
| Finish | 6.54 | 58.59 | 6.12 | — — | — |
Avg. interval
5.02s
Std. deviation
0.48
Deceleration
Stride pattern
Fastest interval: 4.38s (H2–H3).
Deceleration of 12.4% between the first half (7.35 m/s) and the second half (6.44 m/s).
Stutter on H10.
Lead leg alternation: 1× Left, 9× Right.