On 25 July 2026, Diego Santidrian (Spain) ran their 400 metres hurdles in 50.97 seconds at Málaga (Spain Championships).
| 18.48 |
| 8.33 |
13 R |
R |
| H5 | 4.24(+0.04) | 22.72 | 8.25 | 14 L | L |
| H6 | 4.60(+0.36) | 27.32 | 7.61 | 14 R | R |
| H7 | 4.28(-0.32) | 31.60 | 8.18 | 14 L | L |
| H8 | 4.56(+0.28) | 36.16 | 7.68 | 14 R | R |
| H9 | 4.72(+0.16) | 40.88 | 7.42 | 15 R | R |
| H10 | 4.80(+0.08) | 45.68 | 7.29 | 15 R | R |
| Finish | 5.29 | 50.97 | 7.56 | — — | — |
Avg. interval
4.38s
Std. deviation
0.29
Deceleration
Stride pattern
Very consistent intervals (σ=0.29s).
Fastest interval: 3.92s (H2–H3).
Excellent fatigue resistance: only 6.5% speed loss between the first and second halves (8.14 → 7.61 m/s).
Stutter on H9.
Lead leg alternation: 2× Left, 8× Right.