On 25 July 2026, Iker Alfonso De Miguel (Spain) ran their 400 metres hurdles in 52.23 seconds at Málaga (Spain Championships).
| 18.36 |
| 8.25 |
13 L |
L |
| H5 | 4.28(+0.04) | 22.64 | 8.18 | 13 L | L |
| H6 | 4.44(+0.16) | 27.08 | 7.88 | 14 R | R |
| H7 | 4.60(+0.16) | 31.68 | 7.61 | 14 L | L |
| H8 | 4.76(+0.16) | 36.44 | 7.35 | 14 R | R |
| H9 | 4.88(+0.12) | 41.32 | 7.17 | 14 L | L |
| H10 | 5.08(+0.20) | 46.40 | 6.89 | 15 L | L |
| Finish | 5.83 | 52.23 | 6.86 | — — | — |
Avg. interval
4.47s
Std. deviation
0.38
Deceleration
Stride pattern
Fastest interval: 3.84s (H2–H3).
Deceleration of 11.1% between the first half (8.17 m/s) and the second half (7.27 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.