On 19 July 2026, Mauro Seguin (Spain) ran their 400 metres hurdles in 50.62 seconds at Rieti (Europe Championships U18).
| 18.61 |
| 8.50 |
15 R |
R |
| H5 | 4.28(+0.16) | 22.89 | 8.18 | 15 R | R |
| H6 | 4.44(+0.16) | 27.33 | 7.88 | 15 R | R |
| H7 | 4.52(+0.08) | 31.85 | 7.74 | 15 R | R |
| H8 | 4.60(+0.08) | 36.45 | 7.61 | 15 R | R |
| H9 | 4.64(+0.04) | 41.09 | 7.54 | 15 R | R |
| H10 | 4.56(-0.08) | 45.65 | 7.68 | 15 R | R |
| Finish | 4.97 | 50.62 | 8.05 | — — | — |
Avg. interval
4.36s
Std. deviation
0.23
Deceleration
Stride pattern
Very consistent intervals (σ=0.23s).
Fastest interval: 4.04s (H2–H3).
Very low deceleration (4.1%: 8.08 → 7.75 m/s), a likely sign of an over-managed first half.
Steady stride pattern.